GM Service Manual Online
For 1990-2009 cars only

DTC#

Description

P0037

HO2S Heater Control Circuit Low Voltage Sensor 2

P0038

HO2S Heater Control Circuit High Voltage Sensor 2

P0105

MAP Sensor Circuit

P0107

MAP Sensor Circuit Low Voltage

P0108

MAP Sensor Circuit High Voltage

P0112

IAT Sensor Circuit Low Voltage / High Temp.

P0113

IAT Sensor Circuit High Voltage / Low Temp.

P0117

ECT Sensor Circuit Low Voltage / High Temp.

P0118

ECT Sensor Circuit High Voltage / Low Temp.

P0122

TP Sensor Circuit Low Voltage

P0123

TP Sensor Circuit High Voltage

P0125

ECT Excessive Time to Closed Loop Fuel Control

P0130

O2S Closed Loop Performance Sensor 1

P0131

O2S Circuit Low Voltage Sensor 1

P0132

O2S Circuit High Voltage Sensor 1

P0133

O2S Slow Response Sensor 1

P0134

O2S Circuit Insufficient Activity Sensor 1

P0137

HO2S Circuit Low Voltage Sensor 2

P0138

HO2S Circuit High Voltage Sensor 2

P0140

HO2S Circuit Insufficient Activity Sensor 2

P0171

Fuel Trim System Lean

P0172

Fuel Trim System Rich

P0200

Injector Control Circuit

P0217

Engine Coolant Overtemperature

P0218

Transmission Fluid Overtemperature

P0231

Fuel Pump Relay Control Circuit Low Voltage

P0232

Fuel Pump Relay Control Circuit High Voltage

P0261

Injector 1 Control Circuit Low Voltage

P0262

Injector 1 Control Circuit High Voltage

P0264

Injector 2 Control Circuit Low Voltage

P0265

Injector 2 Control Circuit High Voltage

P0267

Injector 3 Control Circuit Low Voltage

P0268

Injector 3 Control Circuit High Voltage

P0270

Injector 4 Control Circuit Low Voltage

P0271

Injector 4 Control Circuit High Voltage

P0300

Engine Misfire Detected

P0324

Knock Sensor Module Circuit

P0325

Knock Sensor Module Circuit

P0326

Knock Sensor System Performance

P0327

Knock Sensor Circuit Low Frequency

P0336

CKP Sensor Performance

P0340

CMP Sensor Circuit

P0341

CMP Sensor Performance

P0351

Ignition Coil 1 and 4 Control Circuit

P0352

Ignition Coil 2 and 3 Control Circuit

P0401

EGR Flow Insufficient

P0403

EGR Solenoid Control Circuit

P0404

EGR Open Position Performance

P0405

EGR Position Sensor Circuit Low Voltage

P0410

AIR System

P0413

AIR Solenoid Control Circuit Low Voltage

P0414

AIR Solenoid Control Circuit High Voltage

P0418

AIR Pump Relay Control Circuit Low Voltage

P0420

Catalyst System Low Efficiency

P0440

EVAP System

P0442

EVAP System Small Leak Detected

P0444

EVAP Purge Solenoid Control Circuit Low Voltage

P0445

EVAP Purge Solenoid Control Circuit High Voltage

P0446

EVAP Vent System Performance

P0447

EVAP Vent Solenoid Control Circuit Low Voltage

P0448

EVAP Vent Solenoid Control Circuit High Voltage

P0452

Fuel Tank Pressure Sensor Circuit Low Voltage

P0453

Fuel Tank Pressure Sensor Circuit High Voltage

P0461

Fuel Level Sensor Performance

P0462

Fuel Level Sensor Circuit Low Voltage

P0463

Fuel Level Sensor Circuit High Voltage

P0480

Cooling Fan Relay Control Circuit

P0500

VSS Circuit

P0506

Idle Speed Low

P0507

Idle Speed High

P0508

IAC Valve Control Circuit Low Voltage

P0509

IAC Valve Control Circuit High Voltage

P0561

System Voltage Performance

P0562

System Voltage Low

P0563

System Voltage High

P0565

Cruise Control Switch Circuit

P0572

Cruise Control Brake Switch Circuit Low Voltage

P0573

Cruise Control Brake Switch Circuit High Voltage

P0601

PCM Memory

P0602

PCM Not Programmed

P0603

PCM Long Term Memory Reset

P0606

PCM Internal Performance

P0621

Generator L - Terminal Circuit

P0636

Steering Assist Solenoid Control Circuit Low Voltage

P0637

Steering Assist Solenoid Control Circuit High Voltage

P0646

A/C Clutch Relay Control Circuit Low Voltage

P0647

A/C Clutch Relay Control Circuit High Voltage

P0702

Transaxle Control System Low Voltage

P0705

Transaxle Range Switch Circuit

P0706

Transaxle Range Switch Performance

P0708

Transaxle Range Switch Circuit High Voltage

P0710

TFT Sensor Performance - Low Temp.

P0711

TFT Sensor Performance

P0712

TFT Sensor Circuit Low Voltage / High Temp.

P0713

TFT Sensor Circuit High Voltage / Low Temp.

P0714

TFT Sensor Circuit Intermittent

P0716

ISS Sensor - Intermittent

P0717

ISS Sensor - Low Input

P0721

OSS Sensor Performance

P0722

OSS Sensor Low Input

P0730

No Gears Available

P0731

Incorrect 1st Gear Ratio

P0732

Incorrect 2nd Gear Ratio

P0733

Incorrect 3rd Gear Ratio

P0734

Incorrect 4th Gear Ratio

P0740

TCC Solenoid Control Circuit Low Voltage

P0741

TCC System Stuck Off

P0742

TCC System Stuck On

P0743

TCC Solenoid Control Circuit High Voltage

P0745

PC Solenoid Pressure Low

P0746

PC Solenoid Control Circuit Low Voltage

P0747

PC Solenoid Control Circuit High Voltage

P0748

Transmission Line Pressure High

P0756

Shift Solenoid 2 Control Circuit Low Voltage

P0758

Shift Solenoid 2 Control Circuit High Voltage

P0761

Shift Solenoid 3 Control Circuit Low Voltage

P0763

Shift Solenoid 3 Control Circuit High Voltage

P0766

Shift Solenoid 4 Control Circuit Low Voltage

P0768

Shift Solenoid 4 Control Circuit High Voltage

P0781

Shift Solenoid 2 Performance

P0782

Shift Solenoid 3 Performance

P0783

Shift Solenoid 4 Performance

P0789

Shift/Timing Solenoid Control Circuit Intermittent

P1133

O2S Insufficient Switching Sensor 1

P1134

O2S Transition Time Ratio Sensor 1

P1336

CKP System Variation Not Learned

P1351

Ignition Coil 1 and 4 Control Circuit High Voltage

P1352

Ignition Coil 2 and 3 Control Circuit High Voltage

P1403

EGR Solenoid Control Circuit Low Voltage

P1404

EGR Closed Position Performance

P1418

AIR Pump Relay Control Circuit High Voltage

P1441

EVAP System Flow During Non-Purge

P1480

Cooling Fan Relay Control Circuit High Voltage

P1580

Cruise Control Move Output Circuit Low Voltage

P1581

Cruise Control Move Output Circuit High Voltage

P1582

Cruise Control Direction Output Circuit Low Voltage

P1583

Cruise Control Direction Output Circuit High Voltage

P1584

Cruise Control Disabled

P1587

Cruise Control Clutch Output Circuit Low Voltage

P1588

Cruise Control Clutch Output Circuit High Voltage

P1599

Engine Stall or Near Stall Detected

P1620

Low Engine Coolant Level

P1621

PCM Long Term Memory Performance

P1624

Customer Snapshot Requested Data Available

P1626

Lost Class II Communications with BCM

P1630

Theft Deterrent Learn Mode Active

P1631

Theft Deterrent Fuel Enable Signal Not Correct

P1635

5 Volt Reference Circuit

P1816

Transmission Range Switch - P/N w/Drive Ratio

B3538

Oil Life Reset Switch Circuit Low

U1000

Class II Data Link Malfunction

U1040

Lost Communications with Brake/Traction Control System

U1064

Lost Communications with Body Multiple Control System

U1096

Lost Communications with Driver Information &

Displays Control System

U1300

Class II Data Link Low

U1301

Class II Data Link High