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Ultimate OBD2 Error Codes Database with All Diagnostic Trouble Codes

Understanding OBD2 Code Structure

Code Format: Each OBD2 code has 5 characters (e.g., P0102)

1st Character: System Type (P=Powertrain, B=Body, C=Chassis, U=Network)

2nd Character: Code Type (0=Generic/Standard, 1=Manufacturer Specific)

3rd Character: Sub-system identifier

4th & 5th Characters: Specific fault number

P-Codes (Powertrain) – Engine and Transmission

P0000-P0099: Air/Fuel Mixture Control & Metering

Code                     Description

P0000

No trouble code

P0001

Fuel Volume Regulator Control Circuit/Open

P0002

Fuel Volume Regulator Control Circuit Range/Performance

P0003

Fuel Volume Regulator Control Circuit Low

P0004

Fuel Volume Regulator Control Circuit High

P0005

Fuel Shutoff Valve A Control Circuit/Open

P0006

Fuel Shutoff Valve A Control Circuit Low

P0007

Fuel Shutoff Valve A Control Circuit High

P0008

Engine Position System Performance (Bank 1)

P0009

Engine Position System Performance (Bank 2)

P0010

Intake Camshaft Position Actuator Circuit (Bank 1)

P0011

Intake Camshaft Position Timing – Over-Advanced (Bank 1)

P0012

Intake Camshaft Position Timing – Over-Retarded (Bank 1)

P0013

Exhaust Camshaft Position Actuator Circuit (Bank 1)

P0014

Exhaust Camshaft Position Timing – Over-Advanced (Bank 1)

 

P0015

Exhaust Camshaft Position Timing – Over-Retarded (Bank 1)

P0016

Crankshaft Position Camshaft Position Correlation (Bank 1 Sensor A)

P0017

Crankshaft Position Camshaft Position Correlation (Bank 1 Sensor B)

P0018

Crankshaft Position Camshaft Position Correlation (Bank 2 Sensor A)

P0019

Crankshaft Position Camshaft Position Correlation (Bank 2 Sensor B)

P0020

Intake Camshaft Position Actuator Circuit (Bank 2)

P0021

Intake Camshaft Position Timing – Over-Advanced (Bank 2)

P0022

Intake Camshaft Position Timing – Over-Retarded (Bank 2)

P0023

Exhaust Camshaft Position Actuator Circuit (Bank 2)

P0024

Exhaust Camshaft Position Timing – Over-Advanced (Bank 2)

P0025

Exhaust Camshaft Position Timing – Over-Retarded (Bank 2)

P0026

Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)

P0027

Exhaust Valve Control Solenoid Circuit Range/Performance (Bank 1)

P0028

Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)

P0029

Exhaust Valve Control Solenoid Circuit Range/Performance (Bank 2)

P0030

HO2S Heater Control Circuit (Bank 1 Sensor 1)

P0031

HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

P0032

HO2S Heater Control Circuit High (Bank 1 Sensor 1)

P0033

Turbo Charger Bypass Valve Control Circuit

P0034

Turbo Charger Bypass Valve Control Circuit Low

P0035

Turbo Charger Bypass Valve Control Circuit High

P0036

HO2S Heater Control Circuit (Bank 1 Sensor 2)

P0037

HO2S Heater Control Circuit Low (Bank 1 Sensor 2)

P0038

HO2S Heater Control Circuit High (Bank 1 Sensor 2)

P0039

Turbo Charger Bypass Valve Control Circuit Range/Performance

 

P0040

O2 Sensor Signals Swapped (Bank 1 Sensor 1 / Bank 2 Sensor 1)

P0041

O2 Sensor Signals Swapped (Bank 1 Sensor 2 / Bank 2 Sensor 2)

P0042

HO2S Heater Control Circuit (Bank 1 Sensor 3)

P0043

HO2S Heater Control Circuit Low (Bank 1 Sensor 3)

P0044

HO2S Heater Control Circuit High (Bank 1 Sensor 3)

P0045

Turbo Charger Boost Control Solenoid Circuit/Open

P0046

Turbo Charger Boost Control Solenoid Circuit Range/Performance

P0047

Turbo Charger Boost Control Solenoid Circuit Low

P0048

Turbo Charger Boost Control Solenoid Circuit High

P0049

Turbo Charger Turbine Overspeed

P0050

HO2S Heater Control Circuit (Bank 2 Sensor 1)

P0051

HO2S Heater Control Circuit Low (Bank 2 Sensor 1)

P0052

HO2S Heater Control Circuit High (Bank 2 Sensor 1)

P0053

HO2S Heater Resistance (Bank 1 Sensor 1)

P0054

HO2S Heater Resistance (Bank 1 Sensor 2)

P0055

HO2S Heater Resistance (Bank 1 Sensor 3)

P0056

HO2S Heater Control Circuit (Bank 2 Sensor 2)

P0057

HO2S Heater Control Circuit Low (Bank 2 Sensor 2)

P0058

HO2S Heater Control Circuit High (Bank 2 Sensor 2)

P0059

HO2S Heater Resistance (Bank 2 Sensor 1)

P0060

HO2S Heater Resistance (Bank 2 Sensor 2)

P0061

HO2S Heater Resistance (Bank 2 Sensor 3)

P0062

HO2S Heater Control Circuit (Bank 2 Sensor 3)

P0063

HO2S Heater Control Circuit Low (Bank 2 Sensor 3)

P0064

HO2S Heater Control Circuit High (Bank 2 Sensor 3)

 

P0065

Air Assisted Injector Control Range/Performance

P0066

Air Assisted Injector Control Circuit or Circuit Low

P0067

Air Assisted Injector Control Circuit High

P0068

Manifold Absolute Pressure/Mass Air Flow Throttle Position Correlation

P0069

Manifold Absolute Pressure/Barometric Pressure Correlation

P0070

Ambient Air Temperature Sensor Circuit

P0071

Ambient Air Temperature Sensor Range/Performance

P0072

Ambient Air Temperature Sensor Circuit Low

P0073

Ambient Air Temperature Sensor Circuit High

P0074

Ambient Air Temperature Sensor Circuit Intermittent

P0075

Intake Valve Control Solenoid Circuit (Bank 1)

P0076

Intake Valve Control Solenoid Circuit Low (Bank 1)

P0077

Intake Valve Control Solenoid Circuit High (Bank 1)

P0078

Exhaust Valve Control Solenoid Circuit (Bank 1)

P0079

Exhaust Valve Control Solenoid Circuit Low (Bank 1)

P0080

Exhaust Valve Control Solenoid Circuit High (Bank 1)

P0081

Intake Valve Control Solenoid Circuit (Bank 2)

P0082

Intake Valve Control Solenoid Circuit Low (Bank 2)

P0083

Intake Valve Control Solenoid Circuit High (Bank 2)

P0084

Exhaust Valve Control Solenoid Circuit (Bank 2)

P0085

Exhaust Valve Control Solenoid Circuit Low (Bank 2)

P0086

Exhaust Valve Control Solenoid Circuit High (Bank 2)

P0087

Fuel Rail/System Pressure – Too Low

P0088

Fuel Rail/System Pressure – Too High

P0089

Fuel Pressure Regulator Performance

P0090

Fuel Pressure Regulator Circuit

P0091

Fuel Pressure Regulator Circuit Low

P0092

Fuel Pressure Regulator Circuit High

P0093

Fuel System Leak Detected – Large Leak

P0094

Fuel System Leak Detected – Small Leak

P0095

Intake Air Temperature Sensor 2 Circuit

P0096

Intake Air Temperature Sensor 2 Circuit Range/Performance

P0097

Intake Air Temperature Sensor 2 Circuit Low

P0098

Intake Air Temperature Sensor 2 Circuit High

P0099

Intake Air Temperature Sensor 2 Circuit Intermittent

P0100

Mass Air Flow Circuit

P0101

Mass Air Flow Circuit Range/Performance

P0102

Mass Air Flow Circuit Low

P0103

Mass Air Flow Circuit High

P0104

Mass Air Flow Circuit Intermittent

P0105

Manifold Absolute Pressure/Barometric Pressure Circuit

P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance

P0107

Manifold Absolute Pressure/Barometric Pressure Circuit Low

P0108

Manifold Absolute Pressure/Barometric Pressure Circuit High

P0109

Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent

P0110

Intake Air Temperature Circuit

P0111

Intake Air Temperature Circuit Range/Performance

P0100-P0199: Air/Fuel Mixture Control & Metering (Continued)

Code                 Description

 

 

P0112

Intake Air Temperature Circuit Low

P0113

Intake Air Temperature Circuit High

P0114

Intake Air Temperature Circuit Intermittent

P0115

Engine Coolant Temperature Circuit

P0116

Engine Coolant Temperature Circuit Range/Performance

P0117

Engine Coolant Temperature Circuit Low

P0118

Engine Coolant Temperature Circuit High

P0119

Engine Coolant Temperature Circuit Intermittent

P0120

Throttle Position Sensor/Switch A Circuit

P0121

Throttle Position Sensor/Switch A Circuit Range/Performance

P0122

Throttle Position Sensor/Switch A Circuit Low

P0123

Throttle Position Sensor/Switch A Circuit High

P0124

Throttle Position Sensor/Switch A Circuit Intermittent

P0125

Insufficient Coolant Temperature for Closed Loop Fuel Control

P0126

Insufficient Coolant Temperature for Stable Operation

P0127

Intake Air Temperature Too High

P0128

Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

P0129

Barometric Pressure Too Low

P0130

O2 Sensor Circuit (Bank 1 Sensor 1)

P0131

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

P0132

O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)

P0133

O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)

P0134

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

P0135

O2 Sensor Heater Circuit (Bank 1 Sensor 1)

P0136

O2 Sensor Circuit (Bank 1 Sensor 2)

 

P0137

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

P0138

O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

P0139

O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)

P0140

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)

P0141

O2 Sensor Heater Circuit (Bank 1 Sensor 2)

P0142

O2 Sensor Circuit (Bank 1 Sensor 3)

P0143

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)

P0144

O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

P0145

O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)

P0146

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)

P0147

O2 Sensor Heater Circuit (Bank 1 Sensor 3)

P0148

Fuel Delivery Error

P0149

Fuel Timing Error

P0150

O2 Sensor Circuit (Bank 2 Sensor 1)

P0151

O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)

P0152

O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)

P0153

O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)

P0154

O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)

P0155

O2 Sensor Heater Circuit (Bank 2 Sensor 1)

P0156

O2 Sensor Circuit (Bank 2 Sensor 2)

P0157

O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)

P0158

O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)

P0159

O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)

P0160

O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

P0161

O2 Sensor Heater Circuit (Bank 2 Sensor 2)

 

P0162

O2 Sensor Circuit (Bank 2 Sensor 3)

P0163

O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)

P0164

O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)

P0165

O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)

P0166

O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)

P0167

O2 Sensor Heater Circuit (Bank 2 Sensor 3)

P0168

Fuel Temperature Too High

P0169

Incorrect Fuel Composition

P0170

Fuel Trim (Bank 1)

P0171

System Too Lean (Bank 1)

P0172

System Too Rich (Bank 1)

P0173

Fuel Trim (Bank 2)

P0174

System Too Lean (Bank 2)

P0175

System Too Rich (Bank 2)

P0176

Fuel Composition Sensor Circuit

P0177

Fuel Composition Sensor Circuit Range/Performance

P0178

Fuel Composition Sensor Circuit Low

P0179

Fuel Composition Sensor Circuit High

P0180

Fuel Temperature Sensor A Circuit

P0181

Fuel Temperature Sensor A Circuit Range/Performance

P0182

Fuel Temperature Sensor A Circuit Low

P0183

Fuel Temperature Sensor A Circuit High

P0184

Fuel Temperature Sensor A Circuit Intermittent

P0185

Fuel Temperature Sensor B Circuit

P0186

Fuel Temperature Sensor B Circuit Range/Performance

P0187

Fuel Temperature Sensor B Circuit Low

P0188

Fuel Temperature Sensor B Circuit High

P0189

Fuel Temperature Sensor B Circuit Intermittent

P0190

Fuel Rail Pressure Sensor Circuit

P0191

Fuel Rail Pressure Sensor Circuit Range/Performance

P0192

Fuel Rail Pressure Sensor Circuit Low

P0193

Fuel Rail Pressure Sensor Circuit High

P0194

Fuel Rail Pressure Sensor Circuit Intermittent

P0195

Engine Oil Temperature Sensor

P0196

Engine Oil Temperature Sensor Range/Performance

P0197

Engine Oil Temperature Sensor Low

P0198

Engine Oil Temperature Sensor High

P0199

Engine Oil Temperature Sensor Intermittent

P0200-P0299: Fuel Injection System

Code                   Description

P0200

Injector Circuit

P0201

Injector Circuit (Cylinder 1)

P0202

Injector Circuit (Cylinder 2)

P0203

Injector Circuit (Cylinder 3)

P0204

Injector Circuit (Cylinder 4)

P0205

Injector Circuit (Cylinder 5)

P0206

Injector Circuit (Cylinder 6)

P0207

Injector Circuit (Cylinder 7)

P0208

Injector Circuit (Cylinder 8)

 

 

P0209

Injector Circuit (Cylinder 9)

P0210

Injector Circuit (Cylinder 10)

P0211

Injector Circuit (Cylinder 11)

P0212

Injector Circuit (Cylinder 12)

P0213

Cold Start Injector 1

P0214

Cold Start Injector 2

P0215

Engine Shutoff Solenoid

P0216

Injection Timing Control Circuit

P0217

Engine Over Temperature Condition

P0218

Transmission Over Temperature Condition

P0219

Engine Over Speed Condition

P0220

Throttle/Pedal Position Sensor/Switch B Circuit

P0221

Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance

P0222

Throttle/Pedal Position Sensor/Switch B Circuit Low

P0223

Throttle/Pedal Position Sensor/Switch B Circuit High

P0224

Throttle/Pedal Position Sensor/Switch B Circuit Intermittent

P0225

Throttle/Pedal Position Sensor/Switch C Circuit

P0226

Throttle/Pedal Position Sensor/Switch C Circuit Range/Performance

P0227

Throttle/Pedal Position Sensor/Switch C Circuit Low

P0228

Throttle/Pedal Position Sensor/Switch C Circuit High

P0229

Throttle/Pedal Position Sensor/Switch C Circuit Intermittent

P0230

Fuel Pump Primary Circuit

P0231

Fuel Pump Secondary Circuit Low

P0232

Fuel Pump Secondary Circuit High

P0233

Fuel Pump Secondary Circuit Intermittent

 

P0234

Engine Over Boost Condition

P0235

Turbo Charger Boost Sensor A Circuit

P0236

Turbo Charger Boost Sensor A Circuit Range/Performance

P0237

Turbo Charger Boost Sensor A Circuit Low

P0238

Turbo Charger Boost Sensor A Circuit High

P0239

Turbo Charger Boost Sensor B Circuit

P0240

Turbo Charger Boost Sensor B Circuit Range/Performance

P0241

Turbo Charger Boost Sensor B Circuit Low

P0242

Turbo Charger Boost Sensor B Circuit High

P0243

Turbo Charger Wastegate Solenoid A

P0244

Turbo Charger Wastegate Solenoid A Range/Performance

P0245

Turbo Charger Wastegate Solenoid A Low

P0246

Turbo Charger Wastegate Solenoid A High

P0247

Turbo Charger Wastegate Solenoid B

P0248

Turbo Charger Wastegate Solenoid B Range/Performance

P0249

Turbo Charger Wastegate Solenoid B Low

P0250

Turbo Charger Wastegate Solenoid B High

P0251

Injection Pump Fuel Metering Control A

P0252

Injection Pump Fuel Metering Control A Range/Performance

P0253

Injection Pump Fuel Metering Control A Low

P0254

Injection Pump Fuel Metering Control A High

P0255

Injection Pump Fuel Metering Control A Intermittent

P0256

Injection Pump Fuel Metering Control B

P0257

Injection Pump Fuel Metering Control B Range/Performance

P0258

Injection Pump Fuel Metering Control B Low

 

P0259

Injection Pump Fuel Metering Control B High

P0260

Injection Pump Fuel Metering Control B Intermittent

P0261

Cylinder 1 Injector Circuit Low

P0262

Cylinder 1 Injector Circuit High

P0263

Cylinder 1 Contribution/Balance

P0264

Cylinder 2 Injector Circuit Low

P0265

Cylinder 2 Injector Circuit High

P0266

Cylinder 2 Contribution/Balance

P0267

Cylinder 3 Injector Circuit Low

P0268

Cylinder 3 Injector Circuit High

P0269

Cylinder 3 Contribution/Balance

P0270

Cylinder 4 Injector Circuit Low

P0271

Cylinder 4 Injector Circuit High

P0272

Cylinder 4 Contribution/Balance

P0273

Cylinder 5 Injector Circuit Low

P0274

Cylinder 5 Injector Circuit High

P0275

Cylinder 5 Contribution/Balance

P0276

Cylinder 6 Injector Circuit Low

P0277

Cylinder 6 Injector Circuit High

P0278

Cylinder 6 Contribution/Balance

P0279

Cylinder 7 Injector Circuit Low

P0280

Cylinder 7 Injector Circuit High

P0281

Cylinder 7 Contribution/Balance

P0282

Cylinder 8 Injector Circuit Low

P0283

Cylinder 8 Injector Circuit High

P0284

Cylinder 8 Contribution/Balance

P0285

Cylinder 9 Injector Circuit Low

P0286

Cylinder 9 Injector Circuit High

P0287

Cylinder 9 Contribution/Balance

P0288

Cylinder 10 Injector Circuit Low

P0289

Cylinder 10 Injector Circuit High

P0290

Cylinder 10 Contribution/Balance

P0291

Cylinder 11 Injector Circuit Low

P0292

Cylinder 11 Injector Circuit High

P0293

Cylinder 11 Contribution/Balance

P0294

Cylinder 12 Injector Circuit Low

P0295

Cylinder 12 Injector Circuit High

P0296

Cylinder 12 Contribution/Balance

P0297

Vehicle Over Speed Condition

P0298

Engine Oil Over Temperature Condition

P0299

Turbo Charger Under Boost Condition

P0300-P0399: Ignition System

Code                Description

P0300

Random/Multiple Cylinder Misfire Detected

P0301

Cylinder 1 Misfire Detected

P0302

Cylinder 2 Misfire Detected

P0303

Cylinder 3 Misfire Detected

P0304

Cylinder 4 Misfire Detected

P0305

Cylinder 5 Misfire Detected

 

 

P0306

Cylinder 6 Misfire Detected

P0307

Cylinder 7 Misfire Detected

P0308

Cylinder 8 Misfire Detected

P0309

Cylinder 9 Misfire Detected

P0310

Cylinder 10 Misfire Detected

P0311

Cylinder 11 Misfire Detected

P0312

Cylinder 12 Misfire Detected

P0313

Misfire Detected with Low Fuel

P0314

Single Cylinder Misfire (Cylinder Not Specified)

P0315

Crankshaft Position System Variation Not Learned

P0316

Misfire Detected on Startup (First 1000 Revolutions)

P0317

Rough Road Hardware Not Present

P0318

Rough Road Sensor Signal

P0319

Rough Road Sensor Signal Range/Performance

P0320

Ignition/Distributor Engine Speed Input Circuit

P0321

Ignition/Distributor Engine Speed Input Circuit Range/Performance

P0322

Ignition/Distributor Engine Speed Input Circuit No Signal

P0323

Ignition/Distributor Engine Speed Input Circuit Intermittent

P0324

Knock Control System Error

P0325

Knock Sensor 1 Circuit (Bank 1 or Single Sensor)

P0326

Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor)

P0327

Knock Sensor 1 Circuit Low (Bank 1 or Single Sensor)

P0328

Knock Sensor 1 Circuit High (Bank 1 or Single Sensor)

P0329

Knock Sensor 1 Circuit Intermittent (Bank 1 or Single Sensor)

P0330

Knock Sensor 2 Circuit (Bank 2)

 

P0331

Knock Sensor 2 Circuit Range/Performance (Bank 2)

P0332

Knock Sensor 2 Circuit Low (Bank 2)

P0333

Knock Sensor 2 Circuit High (Bank 2)

P0334

Knock Sensor 2 Circuit Intermittent (Bank 2)

P0335

Crankshaft Position Sensor A Circuit

P0336

Crankshaft Position Sensor A Circuit Range/Performance

P0337

Crankshaft Position Sensor A Circuit Low

P0338

Crankshaft Position Sensor A Circuit High

P0339

Crankshaft Position Sensor A Circuit Intermittent

P0340

Camshaft Position Sensor A Circuit (Bank 1 or Single Sensor)

P0341

Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or Single Sensor)

P0342

Camshaft Position Sensor A Circuit Low (Bank 1 or Single Sensor)

P0343

Camshaft Position Sensor A Circuit High (Bank 1 or Single Sensor)

P0344

Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor)

P0345

Camshaft Position Sensor A Circuit (Bank 2)

P0346

Camshaft Position Sensor A Circuit Range/Performance (Bank 2)

P0347

Camshaft Position Sensor A Circuit Low (Bank 2)

P0348

Camshaft Position Sensor A Circuit High (Bank 2)

P0349

Camshaft Position Sensor A Circuit Intermittent (Bank 2)

P0350

Ignition Coil Primary/Secondary Circuit

P0351

Ignition Coil A Primary/Secondary Circuit

P0352

Ignition Coil B Primary/Secondary Circuit

P0353

Ignition Coil C Primary/Secondary Circuit

P0354

Ignition Coil D Primary/Secondary Circuit

P0355

Ignition Coil E Primary/Secondary Circuit

 

P0356

Ignition Coil F Primary/Secondary Circuit

P0357

Ignition Coil G Primary/Secondary Circuit

P0358

Ignition Coil H Primary/Secondary Circuit

P0359

Ignition Coil I Primary/Secondary Circuit

P0360

Ignition Coil J Primary/Secondary Circuit

P0361

Ignition Coil K Primary/Secondary Circuit

P0362

Ignition Coil L Primary/Secondary Circuit

P0363

Misfire Detected – Fueling Disabled

P0364

Reserved

P0365

Camshaft Position Sensor B Circuit (Bank 1)

P0366

Camshaft Position Sensor B Circuit Range/Performance (Bank 1)

P0367

Camshaft Position Sensor B Circuit Low (Bank 1)

P0368

Camshaft Position Sensor B Circuit High (Bank 1)

P0369

Camshaft Position Sensor B Circuit Intermittent (Bank 1)

P0370

Timing Reference High Resolution Signal A

P0371

Timing Reference High Resolution Signal A Too Many Pulses

P0372

Timing Reference High Resolution Signal A Too Few Pulses

P0373

Timing Reference High Resolution Signal A Intermittent/Erratic Pulses

P0374

Timing Reference High Resolution Signal A No Pulses

P0375

Timing Reference High Resolution Signal B

P0376

Timing Reference High Resolution Signal B Too Many Pulses

P0377

Timing Reference High Resolution Signal B Too Few Pulses

P0378

Timing Reference High Resolution Signal B Intermittent/Erratic Pulses

P0379

Timing Reference High Resolution Signal B No Pulses

P0380

Glow Plug/Heater Circuit A

P0381

Glow Plug/Heater Indicator Circuit

P0382

Glow Plug/Heater Circuit B

P0383

Glow Plug/Heater Circuit B Low

P0384

Glow Plug/Heater Circuit B High

P0385

Crankshaft Position Sensor B Circuit

P0386

Crankshaft Position Sensor B Circuit Range/Performance

P0387

Crankshaft Position Sensor B Circuit Low

P0388

Crankshaft Position Sensor B Circuit High

P0389

Crankshaft Position Sensor B Circuit Intermittent

P0390

Camshaft Position Sensor B Circuit (Bank 2)

P0391

Camshaft Position Sensor B Circuit Range/Performance (Bank 2)

P0392

Camshaft Position Sensor B Circuit Low (Bank 2)

P0393

Camshaft Position Sensor B Circuit High (Bank 2)

P0394

Camshaft Position Sensor B Circuit Intermittent (Bank 2)

P0395

Camshaft Position Sensor B Circuit (Bank 1)

P0396

Camshaft Position Sensor B Circuit Range/Performance (Bank 1)

P0397

Camshaft Position Sensor B Circuit Low (Bank 1)

P0398

Camshaft Position Sensor B Circuit High (Bank 1)

P0399

Camshaft Position Sensor B Circuit Intermittent (Bank 1)

P0400-P0499: Auxiliary Emission Control System

Code               Description

P0400

Exhaust Gas Recirculation (EGR) Flow

P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient Detected

P0402

Exhaust Gas Recirculation (EGR) Flow Excessive Detected

 

P0403

Exhaust Gas Recirculation (EGR) Control Circuit

P0404

Exhaust Gas Recirculation (EGR) Control Circuit Range/Performance

P0405

Exhaust Gas Recirculation (EGR) Sensor A Circuit Low

P0406

Exhaust Gas Recirculation (EGR) Sensor A Circuit High

P0407

Exhaust Gas Recirculation (EGR) Sensor B Circuit Low

P0408

Exhaust Gas Recirculation (EGR) Sensor B Circuit High

P0409

Exhaust Gas Recirculation (EGR) Sensor A Circuit

P0410

Secondary Air Injection System

P0411

Secondary Air Injection System Incorrect Flow Detected

P0412

Secondary Air Injection System Switching Valve A Circuit

P0413

Secondary Air Injection System Switching Valve A Circuit Open

P0414

Secondary Air Injection System Switching Valve A Circuit Shorted

P0415

Secondary Air Injection System Switching Valve B Circuit

P0416

Secondary Air Injection System Switching Valve B Circuit Open

P0417

Secondary Air Injection System Switching Valve B Circuit Shorted

P0418

Secondary Air Injection System Relay A Circuit

P0419

Secondary Air Injection System Relay B Circuit

P0420

Catalyst System Efficiency Below Threshold (Bank 1)

P0421

Warm Up Catalyst Efficiency Below Threshold (Bank 1)

P0422

Main Catalyst Efficiency Below Threshold (Bank 1)

P0423

Heated Catalyst Efficiency Below Threshold (Bank 1)

P0424

Heated Catalyst Temperature Below Threshold (Bank 1)

P0425

Catalyst Temperature Sensor 1 Circuit (Bank 1)

P0426

Catalyst Temperature Sensor 1 Circuit Range/Performance (Bank 1)

P0427

Catalyst Temperature Sensor 1 Circuit Low (Bank 1)

 

P0428

Catalyst Temperature Sensor 1 Circuit High (Bank 1)

P0429

Catalyst Heater Control Circuit (Bank 1)

P0430

Catalyst System Efficiency Below Threshold (Bank 2)

P0431

Warm Up Catalyst Efficiency Below Threshold (Bank 2)

P0432

Main Catalyst Efficiency Below Threshold (Bank 2)

P0433

Heated Catalyst Efficiency Below Threshold (Bank 2)

P0434

Heated Catalyst Temperature Below Threshold (Bank 2)

P0435

Catalyst Temperature Sensor 2 Circuit (Bank 2)

P0436

Catalyst Temperature Sensor 2 Circuit Range/Performance (Bank 2)

P0437

Catalyst Temperature Sensor 2 Circuit Low (Bank 2)

P0438

Catalyst Temperature Sensor 2 Circuit High (Bank 2)

P0439

Catalyst Heater Control Circuit (Bank 2)

P0440

Evaporative Emission Control System

P0441

Evaporative Emission Control System Incorrect Purge Flow

P0442

Evaporative Emission Control System Small Leak Detected

P0443

Evaporative Emission Control System Purge Control Valve Circuit

P0444

Evaporative Emission Control System Purge Control Valve Circuit Open

P0445

Evaporative Emission Control System Purge Control Valve Circuit Shorted

P0446

Evaporative Emission Control System Vent Control Circuit

P0447

Evaporative Emission Control System Vent Control Circuit Open

P0448

Evaporative Emission Control System Vent Control Circuit Shorted

P0449

Evaporative Emission Control System Vent Valve/Solenoid Circuit

P0450

Evaporative Emission Control System Pressure Sensor

P0451

Evaporative Emission Control System Pressure Sensor Range/Performance

P0452

Evaporative Emission Control System Pressure Sensor Low

 

P0453

Evaporative Emission Control System Pressure Sensor High

P0454

Evaporative Emission Control System Pressure Sensor Intermittent

P0455

Evaporative Emission Control System Large Leak Detected

P0456

Evaporative Emission Control System Very Small Leak Detected

P0457

Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off)

P0458

Evaporative Emission Control System Purge Control Valve Circuit Low

P0459

Evaporative Emission Control System Purge Control Valve Circuit High

P0460

Fuel Level Sensor A Circuit

P0461

Fuel Level Sensor A Circuit Range/Performance

P0462

Fuel Level Sensor A Circuit Low

P0463

Fuel Level Sensor A Circuit High

P0464

Fuel Level Sensor A Circuit Intermittent

P0465

Purge Flow Sensor Circuit

P0466

Purge Flow Sensor Circuit Range/Performance

P0467

Purge Flow Sensor Circuit Low

P0468

Purge Flow Sensor Circuit High

P0469

Purge Flow Sensor Circuit Intermittent

P0470

Exhaust Pressure Sensor

P0471

Exhaust Pressure Sensor Range/Performance

P0472

Exhaust Pressure Sensor Low

P0473

Exhaust Pressure Sensor High

P0474

Exhaust Pressure Sensor Intermittent

P0475

Exhaust Pressure Control Valve

P0476

Exhaust Pressure Control Valve Range/Performance

P0477

Exhaust Pressure Control Valve Low

 

P0478

Exhaust Pressure Control Valve High

P0479

Exhaust Pressure Control Valve Intermittent

P0480

Cooling Fan 1 Control Circuit

P0481

Cooling Fan 2 Control Circuit

P0482

Cooling Fan 3 Control Circuit

P0483

Cooling Fan Rationality Check

P0484

Cooling Fan Circuit Over Current

P0485

Cooling Fan Power/Ground Circuit

P0486

Exhaust Gas Recirculation (EGR) Sensor B Circuit

P0487

Exhaust Gas Recirculation (EGR) Throttle Position Control Circuit

P0488

Exhaust Gas Recirculation (EGR) Throttle Position Control Circuit Range/Performance

P0489

Exhaust Gas Recirculation (EGR) Control Circuit Low

P0490

Exhaust Gas Recirculation (EGR) Control Circuit High

P0491

Secondary Air Injection System Insufficient Flow (Bank 1)

P0492

Secondary Air Injection System Insufficient Flow (Bank 2)

P0493

Fan Over Speed

P0494

Fan Speed Low

P0495

Fan Speed High

P0496

Evaporative Emission System High Purge Flow

P0497

Evaporative Emission System Low Purge Flow

P0498

Evaporative Emission Control System Vent Valve Control Circuit Low

P0499

Evaporative Emission Control System Vent Valve Control Circuit High

 

P0500-P0599: Vehicle Speed Control and Idle Control System

Code                       Description

P0500

Vehicle Speed Sensor A

P0501

Vehicle Speed Sensor A Range/Performance

P0502

Vehicle Speed Sensor A Circuit Low

P0503

Vehicle Speed Sensor A Intermittent/Erratic/High

P0504

Brake Switch A/B Correlation

P0505

Idle Air Control System

P0506

Idle Air Control System RPM Lower Than Expected

P0507

Idle Air Control System RPM Higher Than Expected

P0508

Cold Start Idle Air Control System Low

P0509

Cold Start Idle Air Control System High

P0510

Closed Throttle Position Switch

P0511

Idle Air Control Circuit

P0512

Starter Request Circuit

P0513

Incorrect Immobilizer Key

P0514

Battery Temperature Sensor Circuit High

P0515

Battery Temperature Sensor Circuit

P0516

Battery Temperature Sensor Circuit Low

P0517

Battery Temperature Sensor Circuit High

P0518

Idle Air Control Circuit Intermittent

P0519

Idle Air Control System Performance

P0520

Engine Oil Pressure Sensor/Switch Circuit

P0521

Engine Oil Pressure Sensor/Switch Range/Performance

P0522

Engine Oil Pressure Sensor/Switch Circuit Low

P0523

Engine Oil Pressure Sensor/Switch Circuit High

 

P0524

Engine Oil Pressure Too Low

P0525

Cruise Control Servo Control Circuit Range/Performance

P0526

Cooling Fan Speed Sensor Circuit

P0527

Cooling Fan Speed Sensor Circuit Range/Performance

P0528

Cooling Fan Speed Sensor Circuit No Signal

P0529

Cooling Fan Speed Sensor Circuit Intermittent

P0530

A/C Refrigerant Pressure Sensor A Circuit

P0531

A/C Refrigerant Pressure Sensor A Circuit Range/Performance

P0532

A/C Refrigerant Pressure Sensor A Circuit Low

P0533

A/C Refrigerant Pressure Sensor A Circuit High

P0534

A/C Refrigerant Charge Loss

P0535

A/C Evaporator Temperature Sensor Circuit

P0536

A/C Evaporator Temperature Sensor Circuit Range/Performance

P0537

A/C Evaporator Temperature Sensor Circuit Low

P0538

A/C Evaporator Temperature Sensor Circuit High

P0539

A/C Evaporator Temperature Sensor Circuit Intermittent

P0540

Intake Air Heater A Circuit

P0541

Intake Air Heater A Circuit Low

P0542

Intake Air Heater A Circuit High

P0543

Intake Air Heater A Circuit Open

P0544

Exhaust Gas Temperature Sensor 1 Circuit (Bank 1)

P0545

Exhaust Gas Temperature Sensor 1 Circuit Low (Bank 1)

P0546

Exhaust Gas Temperature Sensor 1 Circuit High (Bank 1)

P0547

Exhaust Gas Temperature Sensor 2 Circuit (Bank 2)

P0548

Exhaust Gas Temperature Sensor 2 Circuit Low (Bank 2)

 

P0549

Exhaust Gas Temperature Sensor 2 Circuit High (Bank 2)

P0550

Power Steering Pressure Sensor Circuit

P0551

Power Steering Pressure Sensor Circuit Range/Performance

P0552

Power Steering Pressure Sensor Circuit Low

P0553

Power Steering Pressure Sensor Circuit High

P0554

Power Steering Pressure Sensor Circuit Intermittent

P0555

Brake Booster Pressure Sensor Circuit

P0556

Brake Booster Pressure Sensor Circuit Range/Performance

P0557

Brake Booster Pressure Sensor Circuit Low

P0558

Brake Booster Pressure Sensor Circuit High

P0559

Brake Booster Pressure Sensor Circuit Intermittent

P0560

System Voltage

P0561

System Voltage Unstable

P0562

System Voltage Low

P0563

System Voltage High

P0564

Cruise Control Multi-Function Input A Circuit

P0565

Cruise Control On Signal

P0566

Cruise Control Off Signal

P0567

Cruise Control Resume Signal

P0568

Cruise Control Set Signal

P0569

Cruise Control Coast Signal

P0570

Cruise Control Accelerate Signal

P0571

Cruise Control/Brake Switch A Circuit

P0572

Cruise Control/Brake Switch A Circuit Low

P0573

Cruise Control/Brake Switch A Circuit High

 

P0574

Cruise Control System – Vehicle Speed Too High

P0575

Cruise Control Input Circuit

P0576

Cruise Control Input Circuit Low

P0577

Cruise Control Input Circuit High

P0578

Cruise Control Multi-Function Input A Circuit Stuck

P0579

Cruise Control Multi-Function Input A Circuit Range/Performance

P0580

Cruise Control Multi-Function Input A Circuit Low

P0581

Cruise Control Multi-Function Input A Circuit High

P0582

Cruise Control Vacuum Control Circuit/Open

P0583

Cruise Control Vacuum Control Circuit Low

P0584

Cruise Control Vacuum Control Circuit High

P0585

Cruise Control Multi-Function Input A/B Correlation

P0586

Cruise Control Vent Control Circuit/Open

P0587

Cruise Control Vent Control Circuit Low

P0588

Cruise Control Vent Control Circuit High

P0589

Cruise Control Multi-Function Input B Circuit

P0590

Cruise Control Multi-Function Input B Circuit Stuck

P0591

Cruise Control Multi-Function Input B Circuit Range/Performance

P0592

Cruise Control Multi-Function Input B Circuit Low

P0593

Cruise Control Multi-Function Input B Circuit High

P0594

Cruise Control Servo Control Circuit/Open

P0595

Cruise Control Servo Control Circuit Low

P0596

Cruise Control Servo Control Circuit High

P0597

Thermostat Heater Control Circuit/Open

P0598

Thermostat Heater Control Circuit Low

P0599                          Thermostat Heater Control Circuit High

P0600-P0699: Computer and Output Circuit

Code                       Description

P0600

Serial Communication Link

P0601

Internal Control Module Memory Check Sum Error

P0602

Control Module Programming Error

P0603

Internal Control Module Keep Alive Memory (KAM) Error

P0604

Internal Control Module Random Access Memory (RAM) Error

P0605

Internal Control Module Read Only Memory (ROM) Error

P0606

PCM Processor

P0607

Control Module Performance

P0608

Control Module VSS Output A

P0609

Control Module VSS Output B

P0610

Control Module Vehicle Options Error

P0611

Fuel Injector Control Module Performance

P0612

Fuel Injector Control Module Relay Control

P0613

TCM Processor

P0614

ECM/TCM Incompatible

P0615

Starter Relay Circuit

P0616

Starter Relay Circuit Low

P0617

Starter Relay Circuit High

P0618

Alternative Fuel Control Module KAM Error

P0619

Alternative Fuel Control Module RAM/ROM Error

P0620

Generator Control Circuit

 

P0621

Generator Lamp L Circuit

P0622

Generator Field F Circuit

P0623

Generator Lamp Control Circuit

P0624

Fuel Cap Lamp Control Circuit

P0625

Generator Field/F Terminal Circuit Low

P0626

Generator Field/F Terminal Circuit High

P0627

Fuel Pump A Control Circuit/Open

P0628

Fuel Pump A Control Circuit Low

P0629

Fuel Pump A Control Circuit High

P0630

VIN Not Programmed or Incompatible – ECM/PCM

P0631

VIN Not Programmed or Incompatible – TCM

P0632

Odometer Not Programmed – ECM/PCM

P0633

Immobilizer Key Not Programmed – ECM/PCM

P0634

PCM/ECM/TCM Internal Temperature Too High

P0635

Power Steering Control Circuit

P0636

Power Steering Control Circuit Low

P0637

Power Steering Control Circuit High

P0638

Throttle Actuator Control Range/Performance (Bank 1)

P0639

Throttle Actuator Control Range/Performance (Bank 2)

P0640

Intake Air Heater Control Circuit

P0641

Sensor Reference Voltage A Circuit/Open

P0642

Sensor Reference Voltage A Circuit Low

P0643

Sensor Reference Voltage A Circuit High

P0644

Driver Display Serial Communication Circuit

P0645

A/C Clutch Relay Control Circuit

 

P0646

A/C Clutch Relay Control Circuit Low

P0647

A/C Clutch Relay Control Circuit High

P0648

Immobilizer Lamp Control Circuit

P0649

Speed Control Lamp Control Circuit

P0650

Malfunction Indicator Lamp (MIL) Control Circuit

P0651

Sensor Reference Voltage B Circuit/Open

P0652

Sensor Reference Voltage B Circuit Low

P0653

Sensor Reference Voltage B Circuit High

P0654

Engine RPM Output Circuit

P0655

Engine Hot Lamp Output Control Circuit

P0656

Fuel Level Output Circuit

P0657

Actuator Supply Voltage A Circuit/Open

P0658

Actuator Supply Voltage A Circuit Low

P0659

Actuator Supply Voltage A Circuit High

P0660

Intake Manifold Tuning Valve Control Circuit/Open (Bank 1)

P0661

Intake Manifold Tuning Valve Control Circuit Low (Bank 1)

P0662

Intake Manifold Tuning Valve Control Circuit High (Bank 1)

P0663

Intake Manifold Tuning Valve Control Circuit/Open (Bank 2)

P0664

Intake Manifold Tuning Valve Control Circuit Low (Bank 2)

P0665

Intake Manifold Tuning Valve Control Circuit High (Bank 2)

P0666

PCM/ECM/TCM Internal Temperature Sensor Circuit

P0667

PCM/ECM/TCM Internal Temperature Sensor Range/Performance

P0668

PCM/ECM/TCM Internal Temperature Sensor Circuit Low

P0669

PCM/ECM/TCM Internal Temperature Sensor Circuit High

P0670

Glow Plug Control Module Control Circuit

 

P0671

Cylinder 1 Glow Plug Circuit

P0672

Cylinder 2 Glow Plug Circuit

P0673

Cylinder 3 Glow Plug Circuit

P0674

Cylinder 4 Glow Plug Circuit

P0675

Cylinder 5 Glow Plug Circuit

P0676

Cylinder 6 Glow Plug Circuit

P0677

Cylinder 7 Glow Plug Circuit

P0678

Cylinder 8 Glow Plug Circuit

P0679

Cylinder 9 Glow Plug Circuit

P0680

Cylinder 10 Glow Plug Circuit

P0681

Cylinder 11 Glow Plug Circuit

P0682

Cylinder 12 Glow Plug Circuit

P0683

Glow Plug Control Module to PCM Communication Circuit

P0684

Glow Plug Control Module Control Circuit Range/Performance

P0685

ECM/PCM Power Relay Control Circuit/Open

P0686

ECM/PCM Power Relay Control Circuit Low

P0687

ECM/PCM Power Relay Control Circuit High

P0688

ECM/PCM Power Relay Sense Circuit/Open

P0689

ECM/PCM Power Relay Sense Circuit Low

P0690

ECM/PCM Power Relay Sense Circuit High

P0691

Cooling Fan 1 Control Circuit Low

P0692

Cooling Fan 1 Control Circuit High

P0693

Cooling Fan 2 Control Circuit Low

P0694

Cooling Fan 2 Control Circuit High

P0695

Cooling Fan 3 Control Circuit Low

P0696

Cooling Fan 3 Control Circuit High

P0697

Sensor Reference Voltage C Circuit/Open

P0698

Sensor Reference Voltage C Circuit Low

P0699

Sensor Reference Voltage C Circuit High

P0700-P0799: Transmission Control System

Code                      Description

P0700

Transmission Control System

P0701

Transmission Control System Range/Performance

P0702

Transmission Control System Electrical

P0703

Torque Converter/Brake Switch B Circuit

P0704

Clutch Switch Input Circuit

P0705

Transmission Range Sensor Circuit (PRNDL Input)

P0706

Transmission Range Sensor Circuit Range/Performance

P0707

Transmission Range Sensor Circuit Low

P0708

Transmission Range Sensor Circuit High

P0709

Transmission Range Sensor Circuit Intermittent

P0710

Transmission Fluid Temperature Sensor Circuit

P0711

Transmission Fluid Temperature Sensor Circuit Range/Performance

P0712

Transmission Fluid Temperature Sensor Circuit Low

P0713

Transmission Fluid Temperature Sensor Circuit High

P0714

Transmission Fluid Temperature Sensor Circuit Intermittent

P0715

Input/Turbine Speed Sensor Circuit

P0716

Input/Turbine Speed Sensor Circuit Range/Performance

P0717

Input/Turbine Speed Sensor Circuit No Signal

 

P0718

Input/Turbine Speed Sensor Circuit Intermittent

P0719

Torque Converter/Brake Switch B Circuit Low

P0720

Output Speed Sensor Circuit

P0721

Output Speed Sensor Circuit Range/Performance

P0722

Output Speed Sensor Circuit No Signal

P0723

Output Speed Sensor Circuit Intermittent

P0724

Torque Converter/Brake Switch B Circuit High

P0725

Engine Speed Input Circuit

P0726

Engine Speed Input Circuit Range/Performance

P0727

Engine Speed Input Circuit No Signal

P0728

Engine Speed Input Circuit Intermittent

P0729

Gear 6 Incorrect Ratio

P0730

Incorrect Gear Ratio

P0731

Gear 1 Incorrect Ratio

P0732

Gear 2 Incorrect Ratio

P0733

Gear 3 Incorrect Ratio

P0734

Gear 4 Incorrect Ratio

P0735

Gear 5 Incorrect Ratio

P0736

Reverse Incorrect Ratio

P0737

TCM Engine Speed Output Circuit

P0738

TCM Engine Speed Output Circuit Low

P0739

TCM Engine Speed Output Circuit High

P0740

Torque Converter Clutch Circuit

P0741

Torque Converter Clutch Circuit Performance or Stuck Off

P0742

Torque Converter Clutch Circuit Stuck On

 

P0743

Torque Converter Clutch Circuit Electrical

P0744

Torque Converter Clutch Circuit Intermittent

P0745

Pressure Control Solenoid

P0746

Pressure Control Solenoid Performance or Stuck Off

P0747

Pressure Control Solenoid Stuck On

P0748

Pressure Control Solenoid Electrical

P0749

Pressure Control Solenoid Intermittent

P0750

Shift Solenoid A

P0751

Shift Solenoid A Performance or Stuck Off

P0752

Shift Solenoid A Stuck On

P0753

Shift Solenoid A Electrical

P0754

Shift Solenoid A Intermittent

P0755

Shift Solenoid B

P0756

Shift Solenoid B Performance or Stuck Off

P0757

Shift Solenoid B Stuck On

P0758

Shift Solenoid B Electrical

P0759

Shift Solenoid B Intermittent

P0760

Shift Solenoid C

P0761

Shift Solenoid C Performance or Stuck Off

P0762

Shift Solenoid C Stuck On

P0763

Shift Solenoid C Electrical

P0764

Shift Solenoid C Intermittent

P0765

Shift Solenoid D

P0766

Shift Solenoid D Performance or Stuck Off

P0767

Shift Solenoid D Stuck On

 

P0768

Shift Solenoid D Electrical

P0769

Shift Solenoid D Intermittent

P0770

Shift Solenoid E

P0771

Shift Solenoid E Performance or Stuck Off

P0772

Shift Solenoid E Stuck On

P0773

Shift Solenoid E Electrical

P0774

Shift Solenoid E Intermittent

P0775

Pressure Control Solenoid B

P0776

Pressure Control Solenoid B Performance or Stuck Off

P0777

Pressure Control Solenoid B Stuck On

P0778

Pressure Control Solenoid B Electrical

P0779

Pressure Control Solenoid B Intermittent

P0780

Shift Malfunction

P0781

1-2 Shift Malfunction

P0782

2-3 Shift Malfunction

P0783

3-4 Shift Malfunction

P0784

4-5 Shift Malfunction

P0785

Shift/Timing Solenoid

P0786

Shift/Timing Solenoid Range/Performance

P0787

Shift/Timing Solenoid Low

P0788

Shift/Timing Solenoid High

P0789

Shift/Timing Solenoid Intermittent

P0790

Normal/Performance Switch Circuit

P0791

Intermediate Shaft Speed Sensor Circuit

P0792

Intermediate Shaft Speed Sensor Circuit Range/Performance

P0793

Intermediate Shaft Speed Sensor Circuit No Signal

P0794

Intermediate Shaft Speed Sensor Circuit Intermittent

P0795

Pressure Control Solenoid C

P0796

Pressure Control Solenoid C Performance or Stuck Off

P0797

Pressure Control Solenoid C Stuck On

P0798

Pressure Control Solenoid C Electrical

P0799

Pressure Control Solenoid C Intermittent

P0800-P0899: Transmission Control System (Continued)

Code                     Description

P0800

Transfer Case Control System (MIL Request)

P0801

Reverse Inhibit Control Circuit

P0802

Transmission Control System MIL Request Circuit/Open

P0803

1-4 Upshift (Skip Shift) Solenoid Control Circuit

P0804

1-4 Upshift (Skip Shift) Lamp Control Circuit

P0805

Clutch Position Sensor Circuit

P0806

Clutch Position Sensor Circuit Range/Performance

P0807

Clutch Position Sensor Circuit Low

P0808

Clutch Position Sensor Circuit High

P0809

Clutch Position Sensor Circuit Intermittent

P0810

Clutch Position Control Error

P0811

Excessive Clutch Slippage

P0812

Reverse Input Circuit

P0813

Reverse Output Circuit

P0814

Transmission Range Display Circuit

 

P0815

Upshift Switch Circuit

P0816

Downshift Switch Circuit

P0817

Starter Disable Circuit

P0818

Driveline Disconnect Switch Input Circuit

P0819

Up and Down Shift Switch to Transmission Range Correlation

P0820

Gear Lever X-Y Position Sensor Circuit

P0821

Gear Lever X Position Circuit

P0822

Gear Lever Y Position Circuit

P0823

Gear Lever X Position Circuit Intermittent

P0824

Gear Lever Y Position Circuit Intermittent

P0825

Gear Shift Forward Contact Circuit

P0826

Up and Down Shift Switch Circuit

P0827

Up and Down Shift Switch Circuit Low

P0828

Up and Down Shift Switch Circuit High

P0829

5-6 Shift

P0830

Clutch Pedal Switch A Circuit

P0831

Clutch Pedal Switch A Circuit Low

P0832

Clutch Pedal Switch A Circuit High

P0833

Clutch Pedal Switch B Circuit

P0834

Clutch Pedal Switch B Circuit Low

P0835

Clutch Pedal Switch B Circuit High

P0836

Four Wheel Drive (4WD) Switch Circuit

P0837

Four Wheel Drive (4WD) Switch Circuit Range/Performance

P0838

Four Wheel Drive (4WD) Switch Circuit Low

P0839

Four Wheel Drive (4WD) Switch Circuit High

 

P0840

Transmission Fluid Pressure Sensor/Switch A Circuit

P0841

Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance

P0842

Transmission Fluid Pressure Sensor/Switch A Circuit Low

P0843

Transmission Fluid Pressure Sensor/Switch A Circuit High

P0844

Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent

P0845

Transmission Fluid Pressure Sensor/Switch B Circuit

P0846

Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance

P0847

Transmission Fluid Pressure Sensor/Switch B Circuit Low

P0848

Transmission Fluid Pressure Sensor/Switch B Circuit High

P0849

Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent

P0850

Park/Neutral Position (PNP) Switch Input Circuit

P0851

Park/Neutral Position (PNP) Switch Input Circuit Low

P0852

Park/Neutral Position (PNP) Switch Input Circuit High

P0853

Drive Switch Input Circuit

P0854

Drive Switch Input Circuit Low

P0855

Drive Switch Input Circuit High

P0856

Traction Control Input Signal

P0857

Traction Control Input Signal Range/Performance

P0858

Traction Control Input Signal Low

P0859

Traction Control Input Signal High

P0860

Gear Shift Module Communication Circuit

P0861

Gear Shift Module Communication Circuit Low

P0862

Gear Shift Module Communication Circuit High

P0863

TCM Communication Circuit

P0864

TCM Communication Circuit Range/Performance

 

P0865

TCM Communication Circuit Low

P0866

TCM Communication Circuit High

P0867

Transmission Fluid Pressure

P0868

Transmission Fluid Pressure Low

P0869

Transmission Fluid Pressure High

P0870

Transmission Fluid Pressure Sensor/Switch C Circuit

P0871

Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance

P0872

Transmission Fluid Pressure Sensor/Switch C Circuit Low

P0873

Transmission Fluid Pressure Sensor/Switch C Circuit High

P0874

Transmission Fluid Pressure Sensor/Switch C Circuit Intermittent

P0875

Transmission Fluid Pressure Sensor/Switch D Circuit

P0876

Transmission Fluid Pressure Sensor/Switch D Circuit Range/Performance

P0877

Transmission Fluid Pressure Sensor/Switch D Circuit Low

P0878

Transmission Fluid Pressure Sensor/Switch D Circuit High

P0879

Transmission Fluid Pressure Sensor/Switch D Circuit Intermittent

P0880

TCM Power Input Signal

P0881

TCM Power Input Signal Range/Performance

P0882

TCM Power Input Signal Low

P0883

TCM Power Input Signal High

P0884

TCM Power Input Signal Intermittent

P0885

TCM Power Relay Control Circuit/Open

P0886

TCM Power Relay Control Circuit Low

P0887

TCM Power Relay Control Circuit High

P0888

TCM Power Relay Sense Circuit

P0889

TCM Power Relay Sense Circuit Range/Performance

P0890

TCM Power Relay Sense Circuit Low

P0891

TCM Power Relay Sense Circuit High

P0892

TCM Power Relay Sense Circuit Intermittent

P0893

Multiple Gears Engaged

P0894

Transmission Component Slipping

P0895

Shift Time Too Short

P0896

Shift Time Too Long

P0897

Transmission Fluid Deteriorated

P0898

Transmission Control System MIL Request Circuit Low

P0899

Transmission Control System MIL Request Circuit High

P0900-P0999: Transmission and Additional Systems

Code                     Description

P0900

Clutch Actuator Circuit/Open

P0901

Clutch Actuator Circuit Range/Performance

P0902

Clutch Actuator Circuit Low

P0903

Clutch Actuator Circuit High

P0904

Gate Select Position Circuit

P0905

Gate Select Position Circuit Range/Performance

P0906

Gate Select Position Circuit Low

P0907

Gate Select Position Circuit High

P0908

Gate Select Position Circuit Intermittent

P0909

Gate Select Control Error

P0910

Gate Select Actuator Circuit/Open

P0911

Gate Select Actuator Circuit Range/Performance

 

P0912

Gate Select Actuator Circuit Low

P0913

Gate Select Actuator Circuit High

P0914

Gear Shift Position Circuit

P0915

Gear Shift Position Circuit Range/Performance

P0916

Gear Shift Position Circuit Low

P0917

Gear Shift Position Circuit High

P0918

Gear Shift Position Circuit Intermittent

P0919

Gear Shift Position Control Error

P0920

Gear Shift Forward Actuator Circuit/Open

P0921

Gear Shift Forward Actuator Circuit Range/Performance

P0922

Gear Shift Forward Actuator Circuit Low

P0923

Gear Shift Forward Actuator Circuit High

P0924

Gear Shift Reverse Actuator Circuit/Open

P0925

Gear Shift Reverse Actuator Circuit Range/Performance

P0926

Gear Shift Reverse Actuator Circuit Low

P0927

Gear Shift Reverse Actuator Circuit High

P0928

Gear Shift Lock Solenoid Control Circuit/Open

P0929

Gear Shift Lock Solenoid Control Circuit Range/Performance

P0930

Gear Shift Lock Solenoid Control Circuit Low

P0931

Gear Shift Lock Solenoid Control Circuit High

P0932

Hydraulic Pressure Sensor Circuit

P0933

Hydraulic Pressure Sensor Circuit Range/Performance

P0934

Hydraulic Pressure Sensor Circuit Low

P0935

Hydraulic Pressure Sensor Circuit High

P0936

Hydraulic Pressure Sensor Circuit Intermittent

 

P0937

Hydraulic Oil Temperature Sensor Circuit

P0938

Hydraulic Oil Temperature Sensor Circuit Range/Performance

P0939

Hydraulic Oil Temperature Sensor Circuit Low

P0940

Hydraulic Oil Temperature Sensor Circuit High

P0941

Hydraulic Oil Temperature Sensor Circuit Intermittent

P0942

Hydraulic Pressure Unit

P0943

Hydraulic Pressure Unit Cycling Period Too Short

P0944

Hydraulic Pressure Unit Loss of Pressure

P0945

Hydraulic Pump Relay Circuit/Open

P0946

Hydraulic Pump Relay Circuit Range/Performance

P0947

Hydraulic Pump Relay Circuit Low

P0948

Hydraulic Pump Relay Circuit High

P0949

Auto Shift Manual Adaptive Learning Not Done

P0950

Auto Shift Manual Control Circuit

P0951

Auto Shift Manual Control Circuit Range/Performance

P0952

Auto Shift Manual Control Circuit Low

P0953

Auto Shift Manual Control Circuit High

P0954

Auto Shift Manual Control Circuit Intermittent

P0955

Auto Shift Manual Mode Circuit

P0956

Auto Shift Manual Mode Circuit Range/Performance

P0957

Auto Shift Manual Mode Circuit Low

P0958

Auto Shift Manual Mode Circuit High

P0959

Auto Shift Manual Mode Circuit Intermittent

P0960

Pressure Control Solenoid A Control Circuit/Open

P0961

Pressure Control Solenoid A Control Circuit Range/Performance

 

P0962

Pressure Control Solenoid A Control Circuit Low

P0963

Pressure Control Solenoid A Control Circuit High

P0964

Pressure Control Solenoid B Control Circuit/Open

P0965

Pressure Control Solenoid B Control Circuit Range/Performance

P0966

Pressure Control Solenoid B Control Circuit Low

P0967

Pressure Control Solenoid B Control Circuit High

P0968

Pressure Control Solenoid C Control Circuit/Open

P0969

Pressure Control Solenoid C Control Circuit Range/Performance

P0970

Pressure Control Solenoid C Control Circuit Low

P0971

Pressure Control Solenoid C Control Circuit High

P0972

Shift Solenoid A Control Circuit Range/Performance

P0973

Shift Solenoid A Control Circuit Low

P0974

Shift Solenoid A Control Circuit High

P0975

Shift Solenoid B Control Circuit Range/Performance

P0976

Shift Solenoid B Control Circuit Low

P0977

Shift Solenoid B Control Circuit High

P0978

Shift Solenoid C Control Circuit Range/Performance

P0979

Shift Solenoid C Control Circuit Low

P0980

Shift Solenoid C Control Circuit High

P0981

Shift Solenoid D Control Circuit Range/Performance

P0982

Shift Solenoid D Control Circuit Low

P0983

Shift Solenoid D Control Circuit High

P0984

Shift Solenoid E Control Circuit Range/Performance

P0985

Shift Solenoid E Control Circuit Low

P0986

Shift Solenoid E Control Circuit High

P0987

Transmission Fluid Pressure Sensor/Switch E Circuit

P0988

Transmission Fluid Pressure Sensor/Switch E Circuit Range/Performance

P0989

Transmission Fluid Pressure Sensor/Switch E Circuit Low

P0990

Transmission Fluid Pressure Sensor/Switch E Circuit High

P0991

Transmission Fluid Pressure Sensor/Switch E Circuit Intermittent

P0992

Transmission Fluid Pressure Sensor/Switch F Circuit

P0993

Transmission Fluid Pressure Sensor/Switch F Circuit Range/Performance

P0994

Transmission Fluid Pressure Sensor/Switch F Circuit Low

P0995

Transmission Fluid Pressure Sensor/Switch F Circuit High

P0996

Transmission Fluid Pressure Sensor/Switch F Circuit Intermittent

P0997

Shift Solenoid F Control Circuit Range/Performance

P0998

Shift Solenoid F Control Circuit Low

P0999

Shift Solenoid F Control Circuit High

P1XXX Codes – Manufacturer Specific Powertrain Codes

Note: P1000-P1999 codes are manufacturer-specific and vary by vehicle make. Common examples include:

 

Code Range

Description

P1000

OBD System Readiness Test Not Complete (Ford)

P1100-P1199

Air/Fuel Metering – Manufacturer Specific

P1200-P1299

Fuel Injection – Manufacturer Specific

P1300-P1399

Ignition System – Manufacturer Specific

P1345

Crankshaft/Camshaft Position Correlation (Common across brands)

P1400-P1499

Auxiliary Emission Controls – Manufacturer Specific

P1500-P1599

Vehicle Speed/Idle Control – Manufacturer Specific

P1600-P1699

Computer/Output Circuit – Manufacturer Specific

P1700-P1799

Transmission – Manufacturer Specific

P2XXX Codes – Generic Powertrain Codes (Expanded)

P2000-P2099: Air/Fuel Mixture

Code                  Description

P2000

NOx Trap Efficiency Below Threshold (Bank 1)

P2001

NOx Trap Efficiency Below Threshold (Bank 2)

P2002

Diesel Particulate Filter Efficiency Below Threshold (Bank 1)

P2003

Diesel Particulate Filter Efficiency Below Threshold (Bank 2)

P2004

Intake Manifold Runner Control Stuck Open (Bank 1)

P2005

Intake Manifold Runner Control Stuck Open (Bank 2)

P2006

Intake Manifold Runner Control Stuck Closed (Bank 1)

P2007

Intake Manifold Runner Control Stuck Closed (Bank 2)

P2008

Intake Manifold Runner Control Circuit/Open (Bank 1)

P2009

Intake Manifold Runner Control Circuit Low (Bank 1)

P2010

Intake Manifold Runner Control Circuit High (Bank 1)

P2011

Intake Manifold Runner Control Circuit/Open (Bank 2)

Description

P2012

Intake Manifold Runner Control Circuit Low (Bank 2)

P2013

Intake Manifold Runner Control Circuit High (Bank 2)

P2014

Intake Manifold Runner Position Sensor/Switch Circuit (Bank 1)

P2015

Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance (Bank 1)

P2016

Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1)

P2017

Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 1)

P2018

Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 1)

P2019

Intake Manifold Runner Position Sensor/Switch Circuit (Bank 2)

P2020

Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance (Bank 2)

P2021

Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 2)

P2022

Intake Manifold Runner Position Sensor/Switch Circuit High (Bank 2)

P2023

Intake Manifold Runner Position Sensor/Switch Circuit Intermittent (Bank 2)

P2024

Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit

P2025

Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Performance

P2026

Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit Low

P2027

Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit High

P2028

Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor Circuit Intermittent

P2029

Fuel Fired Heater Disabled

P2030

Fuel Fired Heater Performance

P2031

Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2)

P2032

Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)

P2033

Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2)

P2034

Exhaust Gas Temperature Sensor Circuit (Bank 2 Sensor 2)

P2035

Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2)

P2036

Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 2)

P2100

Throttle Actuator Control Motor Circuit/Open

P2101

Throttle Actuator Control Motor Circuit Range/Performance

P2102

Throttle Actuator Control Motor Circuit Low

P2103

Throttle Actuator Control Motor Circuit High

P2104

Throttle Actuator Control System – Forced Idle

P2105

Throttle Actuator Control System – Forced Engine Shutdown

P2106

Throttle Actuator Control System – Forced Limited Power

P2107

Throttle Actuator Control Module Processor

P2108

Throttle Actuator Control Module Performance

Description

P2037

Reductant Injection Air Pressure Sensor Circuit

P2038

Reductant Injection Air Pressure Sensor Circuit Range/Performance

P2039

Reductant Injection Air Pressure Sensor Circuit Low

P2040

Reductant Injection Air Pressure Sensor Circuit High

P2041

Reductant Injection Air Pressure Sensor Circuit Intermittent

P2042

Reductant Temperature Sensor Circuit

P2043

Reductant Temperature Sensor Circuit Range/Performance

P2044

Reductant Temperature Sensor Circuit Low

P2045

Reductant Temperature Sensor Circuit High

P2046

Reductant Temperature Sensor Circuit Intermittent

P2047

Reductant Injector Circuit/Open (Bank 1 Unit 1)

P2048

Reductant Injector Circuit Low (Bank 1 Unit 1)

P2049

Reductant Injector Circuit High (Bank 1 Unit 1)

P2100-P2199: Throttle Control Code Description

 

 

P2109

Throttle/Pedal Position Sensor A Minimum Stop Performance

P2110

Throttle Actuator Control System – Forced Limited RPM

P2111

Throttle Actuator Control System – Stuck Open

P2112

Throttle Actuator Control System – Stuck Closed

P2113

Throttle/Pedal Position Sensor B Minimum Stop Performance

P2114

Throttle/Pedal Position Sensor C Minimum Stop Performance

P2115

Throttle/Pedal Position Sensor D Minimum Stop Performance

P2116

Throttle/Pedal Position Sensor E Minimum Stop Performance

P2117

Throttle/Pedal Position Sensor F Minimum Stop Performance

P2118

Throttle Actuator Control Motor Current Range/Performance

P2119

Throttle Actuator Control Throttle Body Range/Performance

P2120

Throttle/Pedal Position Sensor/Switch D Circuit

P2121

Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance

P2122

Throttle/Pedal Position Sensor/Switch D Circuit Low

P2123

Throttle/Pedal Position Sensor/Switch D Circuit High

P2124

Throttle/Pedal Position Sensor/Switch D Circuit Intermittent

P2125

Throttle/Pedal Position Sensor/Switch E Circuit

P2126

Throttle/Pedal Position Sensor/Switch E Circuit Range/Performance

P2127

Throttle/Pedal Position Sensor/Switch E Circuit Low

P2128

Throttle/Pedal Position Sensor/Switch E Circuit High

P2129

Throttle/Pedal Position Sensor/Switch E Circuit Intermittent

P2130

Throttle/Pedal Position Sensor/Switch F Circuit

P2131

Throttle/Pedal Position Sensor/Switch F Circuit Range/Performance

P2132

Throttle/Pedal Position Sensor/Switch F Circuit Low

P2133

Throttle/Pedal Position Sensor/Switch F Circuit High

P2134

Throttle/Pedal Position Sensor/Switch F Circuit Intermittent

P2135

Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation

P2136

Throttle/Pedal Position Sensor/Switch A/C Voltage Correlation

P2137

Throttle/Pedal Position Sensor/Switch B/C Voltage Correlation

P2138

Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation

P2139

Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation

P2140

Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation

P2141

Exhaust Gas Recirculation Throttle Control Circuit Low

P2142

Exhaust Gas Recirculation Throttle Control Circuit High

P2143

Exhaust Gas Recirculation Vent Control Circuit/Open

P2144

Exhaust Gas Recirculation Vent Control Circuit Low

P2145

Exhaust Gas Recirculation Vent Control Circuit High

P2146

Fuel Injector Group A Supply Voltage Circuit/Open

P2147

Fuel Injector Group A Supply Voltage Circuit Low

P2148

Fuel Injector Group A Supply Voltage Circuit High

P2149

Fuel Injector Group B Supply Voltage Circuit/Open

P2150

Fuel Injector Group B Supply Voltage Circuit Low

P2151

Fuel Injector Group B Supply Voltage Circuit High

P2200-P2299: NOx Sensors & Additional Emission Controls

Code                   Description

P2200

NOx Sensor Circuit (Bank 1)

P2201

NOx Sensor Circuit Range/Performance (Bank 1)

P2202

NOx Sensor Circuit Low (Bank 1)

P2203

NOx Sensor Circuit High (Bank 1)

 

P2204

NOx Sensor Circuit Intermittent (Bank 1)

P2205

NOx Sensor Heater Control Circuit/Open (Bank 1)

P2206

NOx Sensor Heater Control Circuit Low (Bank 1)

P2207

NOx Sensor Heater Control Circuit High (Bank 1)

P2208

NOx Sensor Heater Sense Circuit (Bank 1)

P2209

NOx Sensor Heater Sense Circuit Range/Performance (Bank 1)

P2210

NOx Sensor Heater Sense Circuit Low (Bank 1)

P2211

NOx Sensor Heater Sense Circuit High (Bank 1)

P2212

NOx Sensor Heater Sense Circuit Intermittent (Bank 1)

P2213

NOx Sensor Circuit (Bank 2)

P2214

NOx Sensor Circuit Range/Performance (Bank 2)

P2215

NOx Sensor Circuit Low (Bank 2)

P2216

NOx Sensor Circuit High (Bank 2)

P2217

NOx Sensor Circuit Intermittent (Bank 2)

P2218

NOx Sensor Heater Control Circuit/Open (Bank 2)

P2219

NOx Sensor Heater Control Circuit Low (Bank 2)

P2220

NOx Sensor Heater Control Circuit High (Bank 2)

P2221

NOx Sensor Heater Sense Circuit (Bank 2)

P2222

NOx Sensor Heater Sense Circuit Range/Performance (Bank 2)

P2223

NOx Sensor Heater Sense Circuit Low (Bank 2)

P2224

NOx Sensor Heater Sense Circuit High (Bank 2)

P2225

NOx Sensor Heater Sense Circuit Intermittent (Bank 2)

P2226

Barometric Pressure Circuit

P2227

Barometric Pressure Circuit Range/Performance

P2228

Barometric Pressure Circuit Low

 

P2229

Barometric Pressure Circuit High

P2230

Barometric Pressure Circuit Intermittent

P2231

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 1)

P2232

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 2)

P2233

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1 Sensor 3)

P2234

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 Sensor 1)

P2235

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 Sensor 2)

P2236

O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 2 Sensor 3)

P2237

O2 Sensor Positive Current Control Circuit/Open (Bank 1 Sensor 1)

P2238

O2 Sensor Positive Current Control Circuit Low (Bank 1 Sensor 1)

P2239

O2 Sensor Positive Current Control Circuit High (Bank 1 Sensor 1)

P2240

O2 Sensor Positive Current Control Circuit/Open (Bank 2 Sensor 1)

P2241

O2 Sensor Positive Current Control Circuit Low (Bank 2 Sensor 1)

P2242

O2 Sensor Positive Current Control Circuit High (Bank 2 Sensor 1)

P2243

O2 Sensor Reference Voltage Circuit/Open (Bank 1 Sensor 1)

P2244

O2 Sensor Reference Voltage Performance (Bank 1 Sensor 1)

P2245

O2 Sensor Reference Voltage Circuit Low (Bank 1 Sensor 1)

P2246

O2 Sensor Reference Voltage Circuit High (Bank 1 Sensor 1)

P2247

O2 Sensor Reference Voltage Circuit/Open (Bank 2 Sensor 1)

P2248

O2 Sensor Reference Voltage Performance (Bank 2 Sensor 1)

P2249

O2 Sensor Reference Voltage Circuit Low (Bank 2 Sensor 1)

P2250

O2 Sensor Reference Voltage Circuit High (Bank 2 Sensor 1)

 

C-Codes (Chassis) – Selected Examples

C0000-C0099: Common Chassis Codes

Code

Description

C0035

Left Front Wheel Speed Circuit Malfunction

C0040

Right Front Wheel Speed Circuit Malfunction

C0045

Left Rear Wheel Speed Circuit Malfunction

C0050

Right Rear Wheel Speed Circuit Malfunction

C0060

ABS Solenoid Circuit Malfunction

C0070

ABS Pump Motor Circuit Malfunction

C0080

ABS Pressure Switch Circuit Malfunction

B-Codes (Body) – Selected Examples B0000-B0099: Common Body Codes

Code

Description

B0001

Driver Airbag Circuit Low Resistance

B0002

Driver Airbag Circuit High Resistance

B0003

Driver Airbag Circuit Short to Ground

B0004

Driver Airbag Circuit Short to Battery

B0005

Driver Airbag Circuit Open

B0010

Passenger Airbag Circuit Malfunction

B0015

Side Airbag Circuit Malfunction

B0020

Pretensioner Circuit Malfunction

U-Codes (Network/Communication) – Selected Examples

U0000-U0099: Common Network Codes

Code

Description

U0001

High Speed CAN Communication Bus

U0002

High Speed CAN Communication Bus Performance

U0003

High Speed CAN Communication Bus (+) Open

U0004

High Speed CAN Communication Bus (+) Short to Ground

U0005

High Speed CAN Communication Bus (+) Short to Battery

U0006

High Speed CAN Communication Bus (-) Open

U0007

High Speed CAN Communication Bus (-) Short to Ground

U0008

High Speed CAN Communication Bus (-) Short to Battery

U0100

Lost Communication With ECM/PCM

U0101

Lost Communication With TCM

U0102

Lost Communication With Transfer Case Control Module

U0103

Lost Communication With Gear Shift Control Module

U0121

Lost Communication With ABS Control Module

U0140

Lost Communication With Body Control Module

U0155

Lost Communication With Instrument Panel Cluster

Important Notes for Students

Code Reading Tips:

  1. Generic vs. Manufacturer Codes: P0XXX codes are standardized, P1XXX codes vary by manufacturer
  2. Multiple Codes: Often multiple codes appear together – address the root cause first
  3. Pending vs. Confirmed: Codes can be “pending” (1 trip) or “confirmed” (2+ trips)
  4. Freeze Frame Data: Always check freeze frame data for diagnostic context

Diagnostic Best Practices:

  1. Never replace parts based solely on a code
  2. Always verify the code with proper diagnostic procedures
  3. Check for Technical Service Bulletins (TSBs) for your specific vehicle
  4. Clear codes only after confirming repair
  5. Complete a full drive cycle to ensure repair success

Study Priority for Students:

Master these code ranges first:

P0100-P0199: Sensors (MAF, IAT, ECT, TPS, O2)

P0300-P0399: Ignition & Misfires

P0400-P0499: Emissions (EGR, EVAP, Catalytic Converter) P0700-P0799: Transmission basics

SEO Keywords for Reference:

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Last Updated: March 2026 Total Standard Codes: 11,000+ (This guide covers the most common codes) For: Automotive Students & Technicians in India

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