GM Service Manual Online
For 1990-2009 cars only

DTC

Descriptor

DTC 011 or 015

Cruise Control Servo Motor Circuit

DTC 012

Magnetic Clutch CKT Open or Short to Ground

DTC 014

Motor CKT Open or S/Gnd

DTC 021

VSS CKT Open or S/Gnd

DTC 023

Speed Drops More Than 10 mph

DTC 032

Cruise Control Switch Shorted

DTC 034

Abnormal Sgnl From Cruise Control Switch

DTC 041

Continuous CCM Output to Actuator

DTC 042

Low System Voltage

DTC 043

Abnormal Ignition Power Supply

DTC B0100

Driver Air Bag Deploy. Loop Resistance Low

DTC B0101

Driver Air Bag Deploy. Loop Resistance High

DTC B0102

Driver Air Bag Deployment Loop Short to GND

DTC B0103

Driver Air Bag Deploy Loop Short to Voltage

DTC B0105

RH Side Air Bag Deploy Loop Resistance Low

DTC B0106

RH Side Air Bag Deploy Loop Resistance High

DTC B0107

RH Side Air Bag Deploy. Loop Short to GND

DTC B0108

RH Side Air Bag Depl Loop Short to Voltage

DTC B0110

RH Side Air Bag Deploy Loop Resistance Low

DTC B0111

RH Side Air Bag Deploy Loop Resistance High

DTC B0112

RH Side Air Bag Deploy. Loop Short to GND

DTC B0113

RH Side Air Bag Depl Loop Short to Voltage

DTC B0115

LH Side Air Bag Deploy. Loop Resistance Low

DTC B0116

LH Side Air Bag Deploy Loop Resistance High

DTC B0117

LH Side Air Bag Deploy. Loop Short to GND

DTC B0118

LH Side Air Bag Depl Loop Short to Voltage

DTC B0130

RH Pretens Deploy. Loop Resistance Low

DTC B0131

RH Pretens Deploy. Loop Resistance High

DTC B0132

RH Pretens Deploy. Loop Short to GND

DTC B0133

RH Pretens Deploy. Loop Short to Voltage

DTC B0135

LH Pretens Deploy. Loop Resistance Low

DTC B0136

LH Pretens Deploy. Loop Resistance High

DTC B0137

LH Pretens Deploy. Loop Resistance Low

DTC B0138

LH Pretens Deploy. Loop Resistance High

DTC B1100

Internal SDM Malfunction

DTC B1140

RH Side Impact Sensor Circuit

DTC B1141

LH Side Impact Sensor Circuit

DTC B1156 or B1157

RH Discriminating Sensor Circuit

DTC B1158 or B1159

LH Discriminating Sensor Circuit

DTC B3449

Stoplamp Circuit Malfunction

DTC C0035-C0051

Wheel Speed Sensor Circuit

DTC C0060-C0090

EBCM Internal Solenoid Circuit

DTC C0110

Pump Motor Circuit Malfunction

DTC C0114

Pump Motor Circuit Open

DTC C0116

Pump Motor Relay Circuit Malfunction

DTC C0121

Valve Relay Circuit Malfunction

DTC C0125

Valve Relay Circuit Open

DTC C0550

Electronic Brake Control Module Malf

DTC C0899

Device #1 Voltage Low

DTC C0900

Device #1 Voltage High

DTC P0100

Mass Air Flow (MAF) Sensor Circuit

DTC P0101

Mass Air Flow (MAF) Sensor Performance

DTC P0110

Intake Air Temperature (IAT) Sensor Circuit

DTC P0115

Engine Coolant Temperature (ECT) Sensor Circuit

DTC P0116

Engine Coolant Temperature (ECT) Sensor Performance

DTC P0120

Throttle Position (TP) Sensor Circuit

DTC P0121

Throttle Position (TP) Sensor Performance

DTC P0125

Excessive Time to Closed Loop Fuel Control

DTC P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

DTC P0130

HO2S Circuit Sensor 1

DTC P0133

HO2S Slow Response Sensor 1

DTC P0135 or P0141

HO2S Heater Performance Sensor 1

DTC P0136

HO2S Circuit Sensor 2

DTC P0171

Fuel Trim System Lean

DTC P0172

Fuel Trim System Rich

DTC P0300

Engine Misfire Detected

DTC P0301-P0304

Engine Misfire Detected

DTC P0325

Knock Sensor (KS) Circuit

DTC P0335

Crankshaft Position (CKP) Sensor Circuit

DTC P0340

Camshaft Position (CMP) Sensor Circuit

DTC P0420

Catalyst System Low Efficiency

DTC P0440

Evaporative Emission (EVAP) System

DTC P0441

Evaporative Emission (EVAP) System No Flow During Purge

DTC P0442

Evaporative Emission (EVAP) System Small Leak Detected

DTC P0446

Evaporative Emission (EVAP) Vent System Performance

DTC P0450

Fuel Tank Pressure Sensor Circuit

DTC P0451

Fuel Tank Pressure Sensor Performance

DTC P0500

Vehicle Speed Sensor (VSS) Circuit

DTC P0505

Idle Control System

DTC P0750

Shift Solenoid #1 Performance/Stuck Off

DTC P0753

Shift Solenoid #1 Electrical

DTC P0755

Shift Solenoid #2 Performance/Stuck Off

DTC P0758

Shift Solenoid #2 Electrical

DTC P0770

Torque Converter Clutch (TCC) System Performance

DTC P0773

Lock-Up Solenoid Electrical

DTC P1300, P1305, P1310, P1315

Ignition Coil Primary Feedback Circuit

DTC P1335

Crankshaft Position (CKP) Sensor Circuit

DTC P1346

Intake Camshaft Position (CMP) System Performance

DTC P1349

Intake Camshaft Position (CMP) System

DTC P1520

Stoplamp Switch Circuit

DTC P1600

Control Module Long Term Memory Reset

DTC P1656

Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit

DTC P1780

Park/Neutral Position (PNP) Switch