GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

U1000

DTC U1000 and U1255

MSM, Radio, RCDLR, SDM, VCIM

U1016

DTC U1001-U1254

DDM, DIC, DIM, EBCM, IPC, IPM, MSM, Radio, RCDLR, SDM, Theft Deterrent Control Module, VCIM

U1040

DTC U1001-U1254

DIC, IPC, SDM

U1064

DTC U1001-U1254

DDM, DIC, EBCM, IPC, IPM, MSM, Radio, Remote Playback Device - CD Changer, RIM, SDM, Theft Deterrent Control Module, VCIM

U1065

DTC U1001-U1254

DDM, DIC, DIM, IPC, Radio, RIM

U1066

DTC U1001-U1254

DDM, IPC, IPM

U1088

DTC U1001-U1254

DIC, IPC

U1096

DTC U1001-U1254

DIC, SDM

U1097

DTC U1001-U1254

IPC, IPM, Radio

U1128

DTC U1001-U1254

Remote Playback Device - CD Changer, VCIM

U1130

DTC U1001-U1254

Radio

U1151

DTC U1001-U1254

Radio

U1160

DTC U1001-U1254

DIC, DIM, IPC, MSM, Radio, RIM

U1192

DTC U1001-U1254

IPC, PCM

U1255

DTC U1000 and U1255

DDM, DIM, DIC, EBCM, IPC, IPM, PCM, Radio, Remote Playback Device - CD Changer, RIM, Theft Deterrent Control Module

U1300

DTC U1300, U1301, or U1305

DDM, DIM, DIC, EBCM, IPC, IPM, MSM, PCM, Radio, Remote Playback Device - CD Changer, RCDLR, RIM, SDM, Theft Deterrent Control Module, VCIM

U1301

DTC U1300, U1301, or U1305

DDM, DIM, DIC, EBCM, IPC, IPM, MSM, PCM, Radio, Remote Playback Device - CD Changer, RCDLR, RIM, SDM, Theft Deterrent Control Module, VCIM

U1305

DTC U1300, U1301, or U1305

DDM, DIM, DIC, EBCM, IPC, IPM, MSM, PCM, Radio, Remote Playback Device - CD Changer, RCDLR, RIM, SDM, Theft Deterrent Control Module, VCIM