GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

U1000

DTC U1000 and U1255

MSM, RCDLR, SDM, VCIM, VIU

U1016

DTC U1001-U1254

DIM, EBCM, HUD, IPC, IPM, MSM, SDM, VCIM, VIU

U1040

DTC U1001-U1254

IPC, SDM

U1064

DTC U1001-U1254

DDM, EBCM, HUD, HVAC Control Module, IPC, IPM, Radio, MSM, RIM, SDM, VCIM, VIU

U1065

DTC U1001-U1254

DDM, DIM, IPC, Radio, RIM

U1066

DTC U1001-U1254

DDM, HVAC Control Module, IPM

U1088

DTC U1001-U1254

HUD, IPC

U1096

DTC U1001-U1254

HUD, SDM

U1128

 

VCIM, VIU

U1130

DTC U1001-U1254

Radio

U1151

DTC U1001-U1254

Radio

U1160

DTC U1001-U1254

DIM, IPC, MSM, Radio, RIM

U1255

DTC U1000 and U1255

DIM, DDM, EBCM, HUD,HVAC Control Module, IPC, IPM, PCM, Radio, RIM, SDM, VCIM, VIU

U1300

DTC U1300, U1301, or U1305

DIM, DDM, EBCM, HUD, HVAC Control Module, IPC, IPM, MSM, PCM, Radio, RIM, SDM, Theft Deterrent Control Module, VCIM, VIU

U1301

DTC U1300, U1301, or U1305

DIM, DDM, EBCM, HUD, HVAC Control Module, IPC, IPM, MSM, PCM, Radio, RIM, SDM, Theft Deterrent Control Module, VCIM, VIU

U1305

DTC U1300, U1301, or U1305

DIM, DDM, EBCM, HUD, HVAC Control Module, IPC, IPM, MSM, PCM, Radio, RIM, SDM, Theft Deterrent Control Module, VCIM, VIU