GM Service Manual Online
For 1990-2009 cars only

DTC Code

Diagnostic Procedure

Module

B1000

DTC B1000

BCM, SDM, Radio

B1001

DTC B1001

BCM

B1009

DTC B1009

Radio

B1369

DTC B1369

BCM

B1374

DTC B1374

BCM

B1379

DTC B1379

BCM

B2965

DTC B2965 in Instrument Panel, Gages and Console

BCM

U2000

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2001

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2002

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2003

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2004

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2005

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2006

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM

U2007

DTC U2000-U2007 in Instrument Panel, Gages and Console

BCM