GM Service Manual Online
For 1990-2009 cars only

DTC

Descriptor

DTC 011

DTC 012

DTC 013

DTC 021

DTC 022

DTC 023

DTC 031

DTC 032

DTC 033

DTC B0008

In Park Switch Circuit High

DTC B0012, B0013, B0014, B0016, B0017, or B0018

Right Front/Passenger Frontal Deployment Loop Circuit

DTC B0016, B0017, or B0018

Right Front/Driver Side Deployment Loop Circuit

DTC B0022, B0024, B0026, B0042, B0043, or B0044

Left Front/Driver Frontal Deployment Loop Circuit

DTC B0022, B0024, or B0026

Left Front/Driver Frontal Deployment Loop (Stage 1) Circuit

DTC B0028, B0029, or B0030

Right Front/Driver Side Deployment Loop Circuit

DTC B0040, B0041, or B0045

Left Front/Driver Side Deployment Loop Circuit

DTC B0051

Deployment Commanded

DTC B0053

Deployment Commanded With Loop Faults Present

DTC B0077, B0078, B0079, B0080, B0081, or B0082

Left Front/Driver Side Impact Sensor (SIS) Circuit

DTC B0100, B0101, B0102, B0103, B0104, or B0105

Electronic Front End Sensor Circuit

DTC B0165 or B0166

Passenger Compartment Temperature Sensor 1 Circuit

DTC B0233

Air Mix Door Circuit Range

DTC B0408 or B0418

Temperature Control Circuit

DTC B1000

ECU Malfunction

DTC B1001

Option Configuration Error

DTC B1004

Loss of Keep Alive Memory

DTC B1007

EEPROM Write Error

DTC B1009

EEPROM Checksum Error

DTC B1025, B1035, B1045, or B1055

Audio Output Circuit

DTC B1327

Device Power Circuit Low

DTC B1328

Device Power Circuit High

DTC B1349

Device Ground 1 Circuit Open

DTC B1354

Device Ground 2 Circuit Open

DTC B1369

Device Ignition 0 (Unlock/On/Start) Circuit Open

DTC B1397

Device Voltage Reference Output 1 Circuit Low

DTC B1398

Device Voltage Reference Output 1 Circuit High

DTC B1440

Power Mode Master Input Circuits Mismatch

DTC B1477

Retained Accessory Power Circuit Low

DTC B1478

Retained Accessory Power Circuit High

DTC B1482

Battery Rundown Protection Circuit Low

DTC B1507or B1508

High Power Control Circuit

DTC B1560, B1565, B1570, or B1575

Mirror Switch Circuit

DTC B1580, B1590, B1610, or B1620

Outside Rear View Mirror Vertical or Horizontal Position Sensor Circuit

DTC B1600, B1605, B1630, or B1635

Outside Rear View Mirror Motor Circuit

DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820

Power Seat Switch Circuit

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415

Seat Motor(s) Overcurrent

DTC B1780

Theft Lock Enabled

DTC B1825, B1850, B2355, B2365, or B2375

Power Seat Position Sensor Circuit

DTC B2455

Cellular Phone Microphone Circuit

DTC B2470

Cellular Phone Antenna Circuit

DTC B2476

Cellular Phone Select Service Switch

DTC B2482

Cellular Phone Select Service Switch Range/Performance

DTC B2483 or B2484

Global Positioning System (GPS) Sensor Circuit

DTC B2532

Fog Lamps Control Circuit Low

DTC B2533

Fog Lamps Control Circuit High

DTC B2577

Headlamp Control Circuit Low

DTC B2578

HeadLamp Control Circuit High

DTC B2587

Park Lamp Control Circuit Low

DTC B2588

Park Lamp Control Circuit High

DTC B2602

Daytime Running Lamp Control 1 Circuit Low

DTC B2603

Daytime Running Lamp Control 1 Circuit High

DTC B2613

Passenger Compartment Dimming 1 Circuit High

DTC B2617

Passenger Compartment Dimming 2 Circuit Low

DTC B2618

Passenger Compartment Dimming 2 Circuit High

DTC B2627

Display Dimming PWM Output Circuit Low

DTC B2628

Display Dimming PWM Output Circuit High

DTC B2645

Ambient Light Sensor Circuit High

DTC B2647

Ambient Light Sensor Circuit Low

DTC B2648

Ambient Light Sensor Circuit High

DTC B2665

Park Lamp Switch Circuit High

DTC B2732

Trunk Release Switch Circuit Low

DTC B2742

Fog Lamp Switch Circuit Low

DTC B2747

Traction Control Switch Circuit Low

DTC B2752

Horn Relay Coil Circuit Low

DTC B2755 or B2760

Memory Select Switch Circuit

DTC B2823 or B3574

Driver Information Center (DIC) Switch Circuit

DTC B2838, B3564, B3569, or B3752

Driver Information Center (DIC) Switch Circuit

DTC B2960

Invalid Coded Key Is Present

DTC B2961

Key in Ignition Circuit Malfunction

DTC B3031

Key Decoder Device in Assembly Learn Mode

DTC B3055

Key Not Present

DTC B3064 or B3069

Door Lock Key Switch Signal Circuit

DTC B3101

Keyless Entry Data Link Circuit Range/Performance

DTC B3102

Keyless Entry Data Link Circuit Low

DTC B3103

Keyless Entry Data Link Circuit High

DTC B3106

Keyless Entry Data Link Parity Error

DTC B3270

RF/LF Door Lock/Unlock Switch Circuit Malfunction

DTC B3272

RF/LF Door Lock/Unlock Switch Circuit Low

DTC B3826

Cargo Door/Liftgate Unlock Request Circuit Malfunction

DTC B3840

Park Lamp Signal Circuit Low

DTC B3841

Park Lamp Signal Circuit High

DTC B3857

Headlamp High Beam Signal Circuit Malfunction

DTC B3933

A/C Evaporator Temperature Sensor Circuit

DTC C0035-C0051

Wheel Speed Sensor Circuit

DTC C0060-C0095

EBCM Internal Solenoid Circuit

DTC C0110

Pump Motor Malfunction

DTC C0121

Valve Relay Circuit Malfunction

DTC C0141-C0156

EBCM Internal Solenoid Circuit

DTC C0161

ABS/TCS Brake Switch Circuit Malfunction

DTC C0235-C0237 or P1504

TCS RPM Signal Circuit Malfunction

DTC C0240

PCM Traction Control Not Allowed

DTC C0241 or P1571

PCM Indicated Requested Torque Malfunction

DTC C0244 or P1689

PWM Delivered Torque Malfunction

DTC C0245

Wheel Speed Sensor Frequency Error

DTC C0550

ECU Malfunction

DTC C0565

VIN Information Error

DTC C0896

Device Voltage Range Performance

DTC C1245

Low Tire Pressure Detected

DTC P0030

HO2S Heater Control Circuit Sensor 1

DTC P0101

Mass Air Flow (MAF) Sensor Performance

DTC P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

DTC P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

DTC P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

DTC P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

DTC P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

DTC P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

DTC P0116

Engine Coolant Temperature (ECT) Sensor Performance

DTC P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

DTC P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

DTC P0121

Throttle Position (TP) Sensor Performance

DTC P0122

Throttle Position (TP) Sensor Circuit Low Voltage

DTC P0123

Throttle Position (TP) Sensor Circuit High Voltage

DTC P0125

Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control

DTC P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

DTC P0130

HO2S Circuit Closed Loop (CL) Performance Sensor 1

DTC P0131

HO2S Circuit Low Voltage Sensor 1

DTC P0132

HO2S Circuit High Voltage Sensor 1

DTC P0133

HO2S Slow Response Sensor 1

DTC P0134

HO2S Circuit Insufficient Activity Sensor 1

DTC P0135

HO2S Heater Performance Sensor 1

DTC P0137

HO2S Circuit Low Voltage Sensor 2

DTC P0138

HO2S Circuit High Voltage Sensor 2

DTC P0140

HO2S Circuit Insufficient Activity Sensor 2

DTC P0141

HO2S Heater Performance Sensor 2

DTC P0171

Fuel Trim System Lean

DTC P0172

Fuel Trim System Rich

DTC P0201-P0206

Injector Control Circuit

DTC P0218

Transmission Fluid Overtemperature

DTC P0230

Fuel Pump Relay Control Circuit

DTC P0300

Engine Misfire Detected

DTC P0325

Knock Sensor (KS) Module Performance

DTC P0336

Crankshaft Position (CKP) Sensor Circuit

DTC P0341

Camshaft Position (CMP) Sensor Circuit

DTC P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient

DTC P0403

Exhaust Gas Recirculation (EGR) Solenoid Control Circuit

DTC P0404

Exhaust Gas Recirculation (EGR) Open Position Performance

DTC P0405

Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

DTC P0420

Catalyst System Low Efficiency

DTC P0440

Evaporative Emission (EVAP) System

DTC P0442

Evaporative Emission (EVAP) System Small Leak Detected

DTC P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

DTC P0446

Evaporative Emission (EVAP) Vent System Performance

DTC P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

DTC P0452

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

DTC P0453

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

DTC P0462

Fuel Level Sensor Circuit Low Voltage

DTC P0463

Fuel Level Sensor Circuit High Voltage

DTC P0480 or P0481

Cooling Fan Relay Control Circuit

DTC P0502

Vehicle Speed Sensor (VSS) Circuit Low Voltage

DTC P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

DTC P0506

Idle Speed Low

DTC P0507

Idle Speed High

DTC P0530

Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit

DTC P0560

System Voltage

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECU Malfunction

DTC P0620

Generator Performance

DTC P0650

Malfunction Indicator Lamp [MIL] Control Circuit

DTC P0711

Transmission Fluid Temperature (TFT) Sensor Performance

DTC P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

DTC P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage

DTC P0716

Input Speed Sensor Performance

DTC P0717

Input Speed Sensor Circuit Low Voltage

DTC P0719

Brake Switch Circuit Low Voltage

DTC P0724

Brake Switch Circuit High Voltage

DTC P0730

Incorrect Gear Ratio

DTC P0741

Torque Converter Clutch (TCC) System - Stuck Off

DTC P0742

Torque Converter Clutch (TCC) System - Stuck On

DTC P0748

Pressure Control (PC) Solenoid Control Circuit

DTC P0751

1-2 Shift Solenoid Valve Performance - No First or Fourth Gear

DTC P0752

1-2 Shift Solenoid Valve Performance - No Second or Third Gear

DTC P0753

1-2 Shift Solenoid Control Circuit

DTC P0756

2-3 Shift Solenoid Valve Performance - No First or Second Gear

DTC P0757

2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear

DTC P0758

2-3 Shift Solenoid Control Circuit

DTC P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

DTC P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

DTC P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

DTC P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

DTC P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

DTC P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

DTC P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

DTC P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

DTC P1133

HO2S Insufficient Switching Sensor 1

DTC P1134

HO2S Transition Time Ratio Sensor 1

DTC P1189

Engine Oil Pressure (EOP) Switch Circuit

DTC P1336

Crankshaft Position (CKP) System Variation Not Learned

DTC P1351

Ignition Control (IC) Circuit High Voltage

DTC P1352

Ignition Bypass Circuit High Voltage

DTC P1361

Ignition Control (IC) Circuit Low Voltage

DTC P1362

Ignition Bypass Circuit Low Voltage

DTC P1374

Crankshaft Position (CKP) High to Low Resolution Frequency Correlation

DTC P1380

Misfire Detected - Rough Road Data Not Available

DTC P1381

Misfire Detected - No Communication With Brake Control Module

DTC P1404

Exhaust Gas Recirculation (EGR) Closed Position Performance

DTC P1441

Evaporative Emission (EVAP) System Flow During Non-Purge

DTC P1546

Air Conditioning (A/C) Clutch Relay Control Circuit

DTC P1554

Cruise Control Feedback Circuit

DTC P1585

Cruise Control Inhibit Output Circuit

DTC P1626

Theft Deterrent Fuel Enable Signal Lost

DTC P1630

Theft Deterrent Learn Mode Active

DTC P1631

Theft Deterrent Fuel Enable Signal Not Correct

DTC P1635

5 Volt Reference 1 Circuit

DTC P1639

5 Volt Reference 2 Circuit

DTC P1640

Control Module Output A Circuit

DTC P1650

Control Module Output B Circuit

DTC P1660

Control Module Output C Circuit

DTC P1670

Control Module Output D Circuit

DTC P1811

Maximum Adapt and Long Shift

DTC P1814

Torque Converter Overstressed

DTC P1819

Internal Mode Switch-No Start/Wrong Range

DTC P1820

Internal Mode Switch A Circuit Low Voltage

DTC P1822

Internal Mode Switch B Circuit High Voltage

DTC P1823

Internal Mode Switch P Circuit Low Voltage

DTC P1825

Internal Mode Switch-Invalid Range

DTC P1826

Internal Mode Switch C Circuit High Voltage

DTC P1860

Torque Converter Clutch (TCC) PWM Solenoid Control Circuit

DTC P1887

Torque Converter Clutch (TCC) Release Switch Circuit

DTC U1000 and U1255

Class 2 Communication Malfunction

DTC U1001-U1254

Lost Communication with XXX

DTC U1300, U1301, or U1305

Class 2 Data Link Shorted

DTC U1500

Inter-Device Dedicated Bus Malfunction