GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

U1000

DTC U1000 and U1255

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1255

DTC U1000 and U1255

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1016

DTC U1001-U1254

BCM, EBCM, IPC, Radio, RCDLR, SDM, VCIM

U1041

DTC U1001-U1254

BCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1064

DTC U1001-U1254

EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1088

DTC U1001-U1254

BCM, EBCM, IPC, PCM, Radio, RCDLR, VCIM

U1096

DTC U1001-U1254

BCM, EBCM, PCM, Radio, RCDLR, SDM, VCIM

U1128

DTC U1001-U1254

SDM, VCIM

U1151

DTC U1001-U1254

Radio

U1176

DTC U1001-U1254

BCM

U1300

DTC U1300, U1301, or U1305

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1301

DTC U1300, U1301, or U1305

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM

U1305

DTC U1300, U1301, or U1305

BCM, EBCM, IPC, PCM, Radio, RCDLR, SDM, VCIM