GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

B1000

DTC B1000

CVRSS, Navigation Data Processor, Radio, SDM, VIU

B1004

DTC B1004

Audio Amplifier, IPC, Navigation Data Processor, VIU

B1007

DTC B1007

Audio Amplifier, Cellular Telephone Module, IPC, MSM, Radio, RIM, Theft Deterrent Control Module

B1009

DTC B1009

Audio Amplifier, Cellular Telephone Module, IPC, MSM, Radio, RIM, Theft Deterrent Control Module

B1390

DTC B1390

DIM

B1556

DTC B1556

IPC

B1652

DTC B1652

IPM

B1656

DTC B1656

DDM, DIM, Steering Column Module

B1658

DTC B1658

DIM, IPM, Steering Column Module

B1805

DTC B1805

DIM