GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B0008

DTC B0008

BCM

B1000

DTC B1000

BCM, Radio, SDM, HVAC, HUD, IPC, EBCM, MSM, PCM, VTD

B1004

DTC B1004

Radio

B1007

DTC B1007

Radio, VTD

B1009

DTC B1009

VTD

B1440

DTC B1440

BCM

B1507

DTC B1507 or B1508

BCM

B1508

DTC B1507 or B1508

BCM