GM Service Manual Online
For 1990-2009 cars only

DTC/Description

DTC C0035 LF Wheel Speed Circuit Malfunction

DTC C0036 LF Wheel Speed Circuit Range/Performance

DTC C0040 RF Wheel Speed Circuit Malfunction

DTC C0041 RF Wheel Speed Circuit Range/Performance

DTC C0045 LR Wheel Speed Circuit Malfunction

DTC C0046 LR Wheel Speed Circuit Range/Performance

DTC C0050 RR Wheel Speed Circuit Malfunction

DTC C0051 RR Wheel Speed Circuit Range/Performance

DTC C0060 LF ABS Solenoid #1 Circuit Malfunction

DTC C0065 LF ABS Solenoid #2 Circuit Malfunction

DTC C0070 RF ABS Solenoid #1 Circuit Malfunction

DTC C0075 RF ABS Solenoid #2 Circuit Malfunction

DTC C0080 LR ABS Solenoid #1 Circuit Malfunction

DTC C0085 LR ABS Solenoid #2 Circuit Malfunction

DTC C0090 RR ABS Solenoid #1 Circuit Malfunction

DTC C0095 RR ABS Solenoid #2 Circuit Malfunction

DTC C0110 Pump Motor Circuit Malfunction

DTC C0121 Valve Relay Circuit Malfunction

DTC C0141 Left TCS Solenoid #1 Circuit Malfunction

DTC C0146 Left TCS Solenoid #2 Circuit Malfunction

DTC C0151 Right TCS Solenoid #1 CKT Malfunction

DTC C0156 Right TCS Solenoid #2 CKT Malfunction

DTC C0161 ABS/TCS Brake Switch Circuit Malfunction

DTC C0236 TCS RPM Signal Circuit Malfunction

DTC C0240 PCM Traction Control Not Allowed

DTC C0241 PCM Indicated Requested Torque Malf

DTC C0244 PWM Delivered Torque Malfunction

DTC C0245 Wheel Speed Sensor Frequency Error

DTC C0450 Steering Assist Control Actuator Circuit Malfunction

Refer to Variable Effort Steering System Check in Variable Effort Steering

DTC C0455 Steering Position Sensor Circuit Malfunction

Refer to Variable Effort Steering System Check in Variable Effort Steering

DTC C0550 ECU Malfunction

DTC C0896 Device Voltage Range/Performance

DTC U1000 Class 2 Data Link Malfunction

Refer to Diagnostic System Check - Data Link Communications in Data Link Communications

DTC U1016 Lost Communications with PCM

Refer to Diagnostic System Check - Data Link Communications in Data Link Communications

DTC U1064 Lost Communications with BCM

Refer to Diagnostic System Check - Data Link Communications in Data Link Communications

DTC U1300 Class 2 Short to Ground

Refer to Diagnostic System Check - Data Link Communications in Data Link Communications

DTC U1301 Class 2 Short to Voltage

Refer to Diagnostic System Check - Data Link Communications in Data Link Communications