GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B1000

DTC B1000

BCM, DIC, Radio, SDM, VIU, EBCM, PCM, IPC

B1007

DTC B1007

Radio

B1009

DTC B1009

Radio, VIU

B1339

DTC B1339

BCM

B1349

DTC B1349

BCM

B1440

DTC B1440

BCM