GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

U1000

DTC U1000 and U1255

PCM, EBCM, BCM, SDM, IPC, Radio, RCDLR, VTD, Digital Radio Receiver

U1016

DTC U1001-U1254

EBCM, BCM, SDM, IPC, VTD

U1137

DTC U1001-U1254

Radio, BCM

U1040

DTC U1001-U1254

BCM, SDM, IPC

U1064

DTC U1001-U1254

SDM, Radio, VTD, Digital Radio Receiver

U1088

DTC U1001-U1254

BCM, IPC

U1096

DTC U1001-U1254

BCM, SDM, VTD

U1128

DTC U1001-U1254

BCM,

Digital Radio Receiver

U1176

DTC U1001-U1254

BCM

U1192

DTC U1001-U1254

BCM, PCM, IPC

U1255

DTC U1001-U1254

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

U1300

DTC U1300, U1301, or U1305

PCM, EBCM, BCM, SDM, Radio, IPC, RCDLR, VTD, Digital Radio Receiver

U1301

DTC U1300, U1301, or U1305

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

Digital Radio Receiver

U1305

DTC U1300, U1301, or U1305

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

Digital Radio Receiver