GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

C0292

DTC U1001-U1254

EBCM

U1000

DTC U1000 and U1255

BCM, EBCM, IPC, MSM, PCM, Radio, RCDLR, RDM, SDM

U1016

DTC U1001-U1254

AMP, BCM, IPC, MSM, Radio, RCDLR, RDM, SDM

U1041

DTC U1001-U1254

IPC, PCM, RDM, SDM

U1064

DTC U1001-U1254

AMP, IPC, PCM, Radio, RCDLR, RDM, SDM

U1088

DTC U1001-U1254

IPC, RCDLR

U1096

DTC U1001-U1254

BCM, SDM

U1128

DTC U1001-U1254

AMP, RDM

U1176

DTC U1001-U1254

RDM

U1177

DTC U1001-U1254

AMP

U1300

DTC U1300, U1301, or U1305

EBCM, IPC, PCM, Radio, SDM

U1301

DTC U1300, U1301, or U1305

EBCM, IPC, PCM, Radio, SDM

U1305

DTC U1300, U1301, or U1305

AMP, BCM, EBCM, MSM, RCDLR,