GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Savana 🢒 Body and Accessories 🢒 Body Control System 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module

B1000

DTC B1000

BCM, IPC, Radio, RCDLR, SDM, VCIM

B1001

DTC B1001

SDM, Radio

B1004

DTC B1004

VCIM

B1007

DTC B1007

VCIM

B1009

DTC B1009

VCIM

B1420

DTC B1420

BCM

B1440

DTC B1440

BCM

C0550

DTC C0550

EBCM