GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

B1000

DTC B1000

BCM

B1004

DTC B1004

BCM

B1007

DTC B1007

BCM

B1009

DTC B1009

BCM

B1397

DTC B1397

BCM

B1398

DTC B1398

BCM

B1477

DTC B1477 in Retained Accessory Power

BCM

B1478

DTC B1478 in Retained Accessory Power

BCM

B1480

DTC B1480 in Engine Electrical

BCM

B2527

DTC B2527 in Lighting Systems

BCM

B2577

DTC B2577 in Lighting Systems

BCM

B2585

DTC B2585 in Lighting Systems

BCM

B2613

DTC B2613 in Lighting Systems

BCM

B2617

DTC B2617 in Lighting Systems

BCM

B2618

DTC B2618 in Lighting Systems

BCM

B2647

DTC B2647 in Lighting Systems

BCM

B2648

DTC B2648 in Lighting Systems

BCM

B2752

DTC B2752 in Horns

BCM

B2947

DTC B2947 in Theft Deterrent

BCM

B2948

DTC B2948 in Theft Deterrent

BCM

B2957

DTC B2957 in Theft Deterrent

BCM

B2958

DTC B2958 in Theft Deterrent

BCM

B2960

DTC B2960 in Theft Deterrent

BCM

B3031

DTC B3031 in Theft Deterrent

BCM

B3033

DTC B3033 in Theft Deterrent

BCM

B3102

DTC B3102 in Keyless Entry

BCM

B3137 or B3138

DTC B3137 or B3138 in Doors

BCM

B3147 or B3148

DTC B3147 or B3148 in Doors

BCM