GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

U1000

DTC U1000 and U1255

Audio Amplifier, Digital Radio Receiver, EBCM, ESC, IPC, MSM, PCM, Radio, RCDLR, SDM, Theft Deterrent Control Module

U1016

DTC U1001-U1254

Audio Amplifier, Cellular Telephone Module, DDM, Digital Radio Receiver, DIM, EBCM, ESC, IPC, IPM, MSM, Radio, RIM, RCDLR, SDM, Steering Column Module, Theft Deterrent Control Module, VCIM

U1040

DTC U1001-U1254

ESC, IPC

U1056

DTC U1001-U1254

EBCM

U1064

DTC U1001-U1254

Audio Amplifier, Cellular Telephone Module, DDM, Digital Radio Receiver, ESC, IPC, IPM, MSM, Radio, RCDLR, Remote Playback Device-CD Changer, RIM, SDM, Steering Column Module, Theft Deterrent Control Module, VCIM

U1065

DTC U1001-U1254

Cellular Telephone Module, DDM, DIM, ESC, IPC, Radio, RIM

U1066

DTC U1001-U1254

DDM, DIM, IPC, IPM

U1088

DTC U1001-U1254

IPC

U1096

DTC U1001-U1254

SDM

U1128

DTC U1001-U1254

Audio Amplifier, Cellular Telephone Module, Digital Radio Receiver, Remote Playback Device-CD Changer, VCIM

U1129

DTC U1001-U1254

Radio

U1130

DTC U1001-U1254

Radio

U1137

DTC U1001-U1254

Radio

U1144

DTC U1001-U1254

IPC, Radio

U1145

DTC U1001-U1254

Radio

U1151

DTC U1001-U1254

Radio

U1160

DTC U1001-U1254

Digital Radio Receiver, IPC, MSM, Radio, RIM, Steering Column Module

U1161

DTC U1161-U1163 or U1170 in Doors

DDM

U1162

DTC U1161-U1163 or U1170 in Doors

DDM

U1163

DTC U1161-U1163 or U1170 in Doors

DDM

U1170

DTC U1161-U1163 or U1170 in Doors

DDM

U1176

DTC U1001-U1254

IPC

U1192

DTC U1001-U1254

IPC

U1255

DTC U1000 and U1255

Audio Amplifier, Cellular Telephone Module, DDM, DIM, EBCM, IPC, IPM, MSM, Radio, RCDLR, RIM, SDM, Steering Column Module, Theft Deterrent Control Module

U1300

DTC U1300, U1301, or U1305

Audio Amplifier, Cellular Telephone Module, DDM, DIM, Digital Radio Receiver, EBCM, ESC, IPC, IPM, MSM, PCM, Radio, RCDLR, Remote Playback Device-CD Changer, RIM, SDM, Steering Column Module, Theft Deterrent Control Module, VCIM

U1301

DTC U1300, U1301, or U1305

Audio Amplifier, Cellular Telephone Module, DDM, DIM, Digital Radio Receiver, EBCM, ESC, IPC, IPM, MSM, PCM, Radio, RCDLR, Remote Playback Device-CD Changer, RIM, SDM, Steering Column Module, Theft Deterrent Control Module, VCIM

U1305

DTC U1300, U1301, or U1305

Audio Amplifier, Cellular Telephone Module, DDM, DIM, Digital Radio Receiver, EBCM, ESC, IPC, IPM, MSM, PCM, Radio, RCDLR, Remote Playback Device-CD Changer, RIM, SDM, Steering Column Module, Theft Deterrent Control Module, VCIM