GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B0008

Diagnostic Trouble Code (DTC) List/Type in Automatic Transmission

BCM

B1000, B1440

Diagnostic Trouble Code (DTC) List in Body Control Systems

BCM

B1369

DTC B1369

IPC

B1507, B1508

Diagnostic Trouble Code (DTC) List in Engine Electrical

BCM

B2577, B2578, B2587, B2588, B2602, B2603, B2645, B2647, B2648, B3857

Diagnostic Trouble Code (DTC) List in Lighting Systems

BCM

B2734, B2960, B3031, B3091, B3092, B3593, B3814, B3815

Diagnostic Trouble Code (DTC) List in Theft Deterrent

BCM

B2747

Diagnostic Trouble Code (DTC) List in ABS

BCM

B2823

DTC B2823

IPC

B2838

DTC B2838, B3564, B3569, or B3752

IPC

B2961

DTC B2961

BCM

B3564

DTC B2838, B3564, B3569, or B3752

IPC

BXXXX

Refer to Diagnostic Trouble Code (DTC) List in SIR

SDM

CXXXX

Refer to Diagnostic Trouble Code (DTC) List in ABS

EBCM

P0462

DTC P0462

PCM

P0463

DTC P0463

PCM

P0502, P0503

Diagnostic Trouble Code (DTC) List/Type in Automatic Transmission

PCM

P1189

DTC P1189

PCM

PXXXX

PXXXX, PCM DTCs

Refer to Diagnostic Trouble Code (DTC) List in Engine Controls.

PCM

UXXXX

For all U codes refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications.

BCM, HVAC, HUD, PK3, IPC, EBCM, SDM, Radio, Memory Seat and Mirror, PCM, Cigar and Aux Power