GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Modules

U1000 and U1255

DTC U1000 and U1255

BCM, DDM, EBCM, FPDM, HVAC Control Module, IPC, LGM, Memory Seat Module-Driver, Memory Seat Module-Passenger, PCM, Radio, Radio Amplifier, RSA/HVAC Control Module-Rear Auxiliary, SDM, Transfer Case Shift Control Module, VCIM

U1016

DTC U1001-U1254

DDM, EBCM, FPDM, Memory Seat Module-Driver, RSA/HVAC Control Module-Rear Auxiliary, IPC, LGM, SDM, BCM, Radio, VCIM,

U1026

DTC U1001-U1254

EBCM, PCM

U1041

DTC U1001-U1254

PCM

U1064

DTC U1001-U1254

DDM, DSM, RSA/HVAC Control Module-Rear Auxiliary, IPC, Radio, Radio Amplifier, SDM, Transfer Case Shift Control Module, VCIM

U1088

DTC U1001-U1254

EBCM, IPC, PCM, Radio

U1096

DTC U1001-U1254

BCM, SDM

U1128

DTC U1001-U1254

Radio, RSA/HVAC Control Module-Rear Auxiliary, VCIM,

U1129

DTC U1001-U1254

BCM, Radio

U1151

DTC U1001-U1254

BCM

U1152

DTC U1001-U1254

DDM, FPDM, PCM, RSA/HVAC Control Module-Rear Auxiliary

U1154

DTC U1001-U1254

Radio, RSA/HVAC Control Module-Rear Auxiliary, VCIM

U1160

DTC U1001-U1254

BCM, IPC

U1161

DTC U1001-U1254

BCM, IPC

U1162

DTC U1001-U1254

BCM, IPC

U1166

DTC U1001-U1254

BCM, IPC

U1170

DTC U1001-U1254

BCM, IPC

U1300, U1301, and U1305

DTC U1300, U1301, or U1305

BCM, DDM, EBCM, FPDM, HVAC Control Module, IPC, LGM, Memory Seat Module-Driver, Memory Seat Module-Passenger, PCM, Radio, Radio Amplifier, RSA/HVAC Control Module-Rear Auxiliary, SDM, Transfer Case Shift Control Module, VCIM