GM Service Manual Online
For 1990-2009 cars only

DTC Type Table

DTC

Description

Type

Illuminate MIL

P0101

Mass Air Flow System Performance

A

Yes

P0102

MAF Sensor Circuit Low Frequency

A

Yes

P0103

MAF Sensor Circuit High Frequency

A

Yes

P0107

MAP Sensor Circuit Low Voltage

B

Yes

P0108

MAP Sensor Circuit High Voltage

B

Yes

P0112

IAT Sensor Circuit Low Voltage

B

Yes

P0113

IAT Sensor Circuit High Voltage

B

Yes

P0117

ECT Sensor Circuit Low Voltage

B

Yes

P0118

ECT Sensor Circuit High Voltage

B

Yes

P0121

TP Sensor Performance

A

Yes

P0122

TP Sensor Circuit Low Voltage

A

Yes

P0123

TP Sensor Circuit High Voltage

A

Yes

P0125

ECT Excessive Time to Closed Loop Fuel Control

B

Yes

P0131

HO2S Circuit Low Voltage Sensor 1

B

Yes

P0132

HO2S Circuit High Voltage Sensor 1

B

Yes

P0133

HO2S Circuit Slow Response Sensor 1

B

Yes

P0134

HO2S CKT Insufficient Activity Sensor 1

B

Yes

P0135

HO2S Heater Circuit Sensor 1

B

Yes

P0137

HO2S Circuit Low Voltage Sensor 2

B

Yes

P0138

HO2S Circuit High Voltage Sensor 2

B

Yes

P0140

HO2S CKT Insufficient Activity Sensor 2

B

Yes

P0141

HO2S Heater Circuit Sensor 2

B

Yes

P0171

Fuel Trim System Lean

B

Yes

P0172

Fuel Trim System Rich

B

Yes

P0201

Injector 1 Control Circuit

B

Yes

P0202

Injector 2 Control Circuit

B

Yes

P0203

Injector 3 Control Circuit

B

Yes

P0204

Injector 4 Control Circuit

B

Yes

P0205

Injector 5 Control Circuit

B

Yes

P0206

Injector 6 Control Circuit

B

Yes

P018

Transmission Fluid Overtemperture

C

No

P0230

Fuel Pump Relay Control Circuit

C

No

P0300

Engine Misfire Detected

B

Yes

P0325

Knock Sensor Module Circuit

C

No

P0327

Knock Sensor Circuit Bank 1

C

No

P0332

Knock Sensor Circuit Bank 2

C

No

P0336

18X Reference Signal Circuit

B

Yes

P0341

CMP Sensor Circuit Performance

B

Yes

P0401

EGR System Flow Insufficient

A

Yes

P0403

EGR Solenoid Control Circuit

B

Yes

P0404

EGR Valve Pintle Stuck Closed

B

Yes

P0405

EGR Pintle Position Circuit Low Voltage

B

Yes

P0420

TWC System Low Efficiency

A

Yes

P0440

EVAP System

A

Yes

P0442

EVAP Control System Small Leak Detected

A

Yes

P0446

EVAP Canister Vent Blocked

A

Yes

P0452

Fuel Tank Pressure Sensor Low Voltage

B

Yes

P0453

Fuel Tank Pressure Sensor High Voltage

B

Yes

P0502

Vehicle Speed Sensor Circuit - Low Input. to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P0503

Vehicle Speed Sensor Circuit - Intermittent High. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P0506

Idle Control System Low RPM

B

Yes

P0507

Idle Control System High RPM

B

Yes

P0530

A/C Refrigerant Pressure Sensor Circuit

C

No

P0560

System Voltage

C

No

P0601

PCM Memory

B

Yes

P0602

PCM Not Programmed

B

Yes

P0705

Trans Range Switch Circuit

C

No

P0706

Trans Range Switch Performance

C

No

P0711

Transaxle Fluid Temperature (TFT) Sensor Circuit Performance. Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P0712

Transmission Fluid Temperature Sensor Circuit - Low Input. Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P0713

Transmission Fluid Temperature Sensor Circuit - High Input. Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P0716

Input Speed Sensor Circuit -Low Input. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P0717

Input Speed Sensor Circuit - Low Input.Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P0719

Brake Switch Circuit - Low Input. Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P0724

Brake Switch Circuit - High Input Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P0730

Incorrect Gear Ratio. Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P0741

Torque Converter Clutch System - Stuck Off. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P0742

Torque Converter Clutch System - Stuck On. Refer to 4T65-E Automatic Transaxle Diagnosis

A

Yes

P0748

Pressure Control Solenoid Circuit - Electrical. Refer to 4T65-E Automatic Transaxle Diagnosis

C

Yes

P0751

1 - 2 Shift Solenoid Valve Perfomance. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P0753

1 - 2 Shift Solenoid circuit - Electrical. Refer to 4T65-E Automatic Transaxle Diagnosis

A

Yes

P0756

2 - 3 Shift Solenoid Valve - Performance. Refer to 4T65-E Automatic Transaxle Diagnosis

A

Yes

P0758

2 - 3 Shift Solenoid Circuit- Electrical. Refer to 4T65-E Automatic Transaxle Diagnosis

A

Yes

P1106

MAP Sensor CKT Intermittent High Voltage

C

No

P1107

MAP Sensor CKT Intermittent Low Voltage

C

No

P1111

IAT Sensor CKT Intermittent High Voltage

C

No

P1112

IAT Sensor CKT Intermittent Low Voltage

C

No

P1114

ECT Sensor CKT Intermittent Low Voltage

C

No

P1115

ECT Sensor CKT Intermittent High Voltage

C

No

P1121

TP Sensor CKT Intermittent High Voltage

C

No

P1122

TP Sensor CKT Intermittent Low Voltage

C

No

P1133

HO2S Insufficient Switching Sensor 1

B

Yes

P1134

HO2S Transition Time Ratio Sensor 1

B

Yes

P1257

Supercharger System Overboost

C

No

P1336

CKP System Variation Not Learned

A

Yes

P1351

IC Circuit Open

B

Yes

P1352

Bypass Circuit Open

B

Yes

P1361

IC Circuit Not Toggling

B

Yes

P1362

Bypass Circuit Shorted

B

Yes

P1374

3X Reference Circuit

B

Yes

P1380

EBCM DTC Rough Data Unusable

C

No

P1381

Misfire Detected No EBCM/PCM Serial Data

C

No

P1404

EGR Valve Stuck Open

B

Yes

P1441

EVAP System Flow During Non-Purge

B

Yes

P1554

Cruise Control Status Circuit

C

No

P1571

TCS Desired Torque Circuit

C

No

P1573

PCM/EBTCM Serial Data Circuit

C

No

P1626

Theft Deterrent System Fuel Enable CKT

C

No

P1629

Theft Deterrent Crank Signal Malfunction

C

No

P1630

Theft Deterrent PCM in Learn Mode

D

No

P1631

Theft Deterrent Password Incorrect

D

No

P1635

5 Volt Reference (A) Circuit

B

Yes

P1639

5 Volt Reference (B) Circuit

C

No

P1641

A/C Relay Control Circuit

C

No

P1646

Boost Control Solenoid Control Circuit

C

No

P1651

Fan 1 Relay Control Circuit

B

Yes

P1652

Fan 2 Relay Control Circuit

B

Yes

P1662

Cruise Control Inhibit Control Circuit

C

No

P1663

Generator Lamp Control Circuit

B

No

P1665

EVAP Vent Solenoid Control Circuit

B

Yes

P1667

Fuel Pump PWM Control Circuit

C

No

P1671

MIL Control Circuit

D

No

P1672

Low Engine Oil Lamp Control Circuit

C

No

P1676

EVAP Canister Purge Solenoid Control CKT

B

Yes

P1689

Traction Control Delivered Torque

C

Yes

P1810

TFP Valve Position Sw CKT Malfunction. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P1811

Maximum Adapt and Long Shift. Refer to 4T65-E Automatic Transaxle Diagnosis

C

No

P1860

Torque Converter Clutch PWM Solenoid Circuit Electrical. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes

P1887

TCC Release Circuit Malfunction. Refer to 4T65-E Automatic Transaxle Diagnosis

B

Yes