GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

U1000

DTC U1000 and U1255

MSM, RCDLR, SDM

U1016

DTC U1001-U1254

EBCM, DIM, HUD, IPC, IPM, MSM, SDM, Theft Deterrent Control Module

U1040

DTC U1001-U1254

IPC, SDM

U1064

DTC U1001-U1254

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

U1065

DTC U1001-U1254

DIM, DDM, IPC, Radio, RIM

U1066

DTC U1001-U1254

DDM, IPM, HVAC Control Module

U1088

DTC U1001-U1254

HUD, IPC

U1096

DTC U1001-U1254

HUD, SDM

U1128

DTC U1001-U1254

Remote Playback Device - CD Changer

U1130

DTC U1001-U1254

Radio

U1151

DTC U1001-U1254

Radio

U1160

DTC U1001-U1254

DIM, IPC, MSM, Radio, RIM

U1192

DTC U1001-U1254

IPC

U1255

DTC U1000 and U1255

EBCM, DIM, DDM, HUD, HVAC Control Module, IPC, IPM, PCM, Radio, Remote Playback Device - CD Changer, RIM, SDM

U1300

DTC U1300

EBCM, DIM, DDM, HUD, HVAC Control Module, IPC, IPM, PCM, Radio, Remote Playback Device - CD Changer, RIM, SDM

U1301

DTC U1301

EBCM, DIM, DDM, HUD, HVAC Control Module, IPC, IPM, PCM, Radio, Remote Playback Device - CD Changer, RIM, SDM

U1305

DTC U1305

MSM, RCDLR