GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

B1482

DTC B1482 in Lighting Systems

BCM

B2575

DTC B2575 in Lighting Systems

BCM

B2577

DTC B2577 in Lighting Systems

BCM

B2578

DTC B2578 in Lighting Systems

BCM

B2585

DTC B2585 in Lighting Systems

BCM

B2587

DTC B2587 in Lighting Systems

BCM

B2588

DTC B2588 in Lighting Systems

BCM

B2600

DTC B2600 in Lighting Systems

BCM

B2602

DTC B2602 in Lighting Systems

BCM

B2603

DTC B2603 in Lighting Systems

BCM

B2622

DTC B2622 in Lighting Systems

BCM

B2623

DTC B2623 in Lighting Systems

BCM

B2627

DTC B2627 in Lighting Systems

BCM

B2628

DTC B2628 in Lighting Systems

BCM

B2647

DTC B2647 in Lighting Systems

BCM

B2662

DTC B2662 in Lighting Systems

BCM

BXXXX

Refer to Diagnostic Trouble Code (DTC) List in SIR

SDM

CXXXX

Refer to Diagnostic Trouble Code (DTC) List in Antilock Brake System

EBCM

P0462

DTC P0462

PCM

P0463

DTC P0463

PCM

PXXXX

Refer to Diagnostic Trouble Code (DTC) List in Engine Controls - 2.2L (L61)

Refer to Diagnostic Trouble Code (DTC) List in Engine Controls - 3.0L (L81)

PCM