GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

U1000

DTC U1000 and U1255

Audio Amplifier, DDM, DDSA, DIM, EBCM, FPDM, HVAC Control Module, IPC, LRDM, MSM, Radio, Radio Antenna Module, RIM, RRDM, SDM, Theft Deterrent Control Module, TV Antenna Module VCIM

U1016

DTC U1001-U1254

Audio Amplifier, DDM, DDSA, DIM, EBCM, FPDM, HVAC Control Module, IPC, LRDM, MSM, Radio, Radio Antenna Module, RIM, RRDM, SDM, Theft Deterrent Control Module, TV Antenna Module, VCIM

U1040

DTC U1001-U1254

ECM, IPC, RIM, SDM

U1064

DTC U1001-U1254

Audio Amplifier, DDM, DDSA, EBCM, ECM, FPDM, HVAC Control Module, IPC, LRDM, MSM, Radio, Radio Antenna Module, RIM, RRDM, SDM, Theft Deterrent Control Module, TV Antenna Module, VCIM

U1066

DTC U1001-U1254

DDM, FPDM, HVAC Control Module, IPC

U1088

DTC U1001-U1254

IPC, Radio

U1096

DTC U1001-U1254

DIM, MSM, Radio, SDM

U1128

DTC U1001-U1254

Audio Amplifier, TV Antenna Module, VCIM

U1144

DTC U1001-U1254

Radio

U1151

DTC U1001-U1254

Radio

U1153

DTC U1001-U1254

Audio Amplifier, DIM, ECM, Radio, RIM

U1160

DTC U1001-U1254

RIM

U1161

DTC U1001-U1254

RIM

U1162

DTC U1001-U1254

RIM

U1163

DTC U1001-U1254

RIM

U1164

DTC U1001-U1254

Audio Amplifier, DIM, DDM, FPDM, MSM, Radio, RIM, RRDM

U1192

DTC U1001-U1254

ECM, IPC

U1300

DTC U1300, U1301, or U1305

Audio Amplifier, DDM, DDSA, DIM, EBCM, ECM, FPDM, HVAC Control, Module, IPC, LRDM, MSM, Radio, Radio Antenna Module, RIM, RRDM, SDM, Theft Deterrent Control Module, TV Antenna Module, VCIM

U1301

DTC U1300, U1301, or U1305

Audio Amplifier, DDM, DDSA, DIM, EBCM, ECM, FPDM, HVAC Control, Module, IPC, LRDM, MSM, Radio, Radio Antenna Module, RIM, RRDM, SDM, Theft Deterrent Control Module, TV Antenna Module, VCIM

U1305

DTC U1300, U1301, or U1305

Audio Amplifier, DDM, DDSA, DIM, EBCM, ECM, FPDM, HVAC Control, Module, IPC, LRDM, MSM, Radio, Radio Antenna Module, RIM, RRDM, SDM, Theft Deterrent Control Module, TV Antenna Module, VCIM

U2100

DTC U2100

ECM

U2102

DTC U2102

ECM

U2104

DTC U2104

ECM

U2106

DTC U2106

ECM