GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC U1000 Loss of Communications

Refer to DTC U1000 and DTC U1255 Class 2 Communication Malfunction .

ABS, AMP, Cellular,Telephone Module, DDM, DDSA, DIM, Electronic Suspension Control Module, Instrument Cluster, IPM, LMDM, LRDM, MSM, Navigation Data Entry Proccessor, Navigation Data Proccessor, PDM, Radio, Rear Heater and A/C Control, RH Front Power Window Switch (w/armored car), RFA, RIM, RMDM, RRDM, SDM, Steering Column Module, VIU

DTC U1016 Loss of PCM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

ABS, AMP, Cellular Telephone Module, DDM, DDSA, DIM, Electronic Suspension Control Module, Instrument Cluster, IPM, LMDM, LRDM, Navigation Data Entry Proccessor, Navigation Data Proccessor, PDM, Radio, Rear Heater and A/C Control, RH Front Power Window Switch (w/armored car), RIM, RRDM, RMDM, SDM, VIU

DTC U1040 Loss of ABS Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster, PCM, SD

DTC U1056 Loss of RSS Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

ABS, PCM

DTC U1064 Loss of DIM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

ABS, AMP, Cellular Telephone Module, DDM, DDSA, DIM, Electronic Suspension Control Module, Instrument Cluster, IPM, LMDM, LRDM, Navigation, Data Entry , Proccessor, Navigation Data Proccessor, PDM, Radio, Rear Heater and A/C Control, RH Front Power Window Switch (w/armored car), RIM, RMDM, RRDM, SDM, VIU

DTC U1065 Loss of IPM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

DDM, DIM, Instrument Cluster, LMDM, LRDM, Navigation Data Entry Proccessor, Navigation Data Proccessor, PCM, Radio, Rear Heater and A/C Control, RIM, RMDM, RRDM

DTC U1066 Loss of RIM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

DDM, Instrument Cluster, IPM, PCM, PDM

DTC U1088 Los of SDM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster

DTC U1096 Loss of IPC Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

PCM, SDM

DTC U1128 Loss of IRC Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

AMP, Cellular Telephone Module, VIU

DTC U1129 Loss of AMP Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Navigation Radio

DTC U1144 Loss of PHN Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster, Radio

DTC U1145 Loss of NAV Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Radio

DTC U1151 Loss of VIU Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Radio, Navigation Data Proccessor

DTC U1160 Loss of DDM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster, RIM

DTC U1161 Loss of PDM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster, RIM

DTC U1162 Loss of LRDM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster, RIM

DTC U1163 Loss of RRDM Communications

Refer to DTC U1001-U1254 Loss of XXX Communications

Instrument Cluster, RIM

DTC U1164 Loss of DDS Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

DDM, DIM, Instrument Cluster, LRDM, MSM, Navigation Data Entry Proccessor, Navigation Data Proccessor, PDM, Radio, RIM. RRDM, Steering Column Module

DTC U1165 Loss of PDS Communicati

Refer to ons DTC U1001-U1254 Loss of XXX Communications .

DDM, LRDM, PDM, RRDM

DTC U1176 Loss of RFA Communications

Refer to DTC U1001-U1254 Loss of XXX Communications

Instrument Cluster

DTC U1192 Loss of VTD Communications

Refer to DTC U1001-U1254 Loss of XXX Communications .

Instrument Cluster, PCM

DTC U1300 Class 2 Short to Ground

Refer to DTC U1300 Class 2 Short to Ground .

ABS, AMP, Cellular Telephone Module, DDM, DDSA, DIM, Electronic Suspension Control Module, Instrument Cluster, IPM, LMDM, LRDM, Navigation Data Entry Proccessor, Navigation Data Proccessor, PDM, Radio, Rear Heater and A/C Control, RH Front Power Window Switch (w/armored car), RIM, RMDM, RRDM, SDM, VIU

DTC U1301 Class 2 Short to Battery

Refer to DTC U1301 Class 2 Short to Battery .

ABS, AMP, Cellular Telephone Module, DDM, DDSA, DIM, Electronic Suspension Control Module, Instrument Cluster, IPM, LMDM, LRDM, Navigation Data Entry Proccessor, Navigation Data Proccessor, PDM, Radio, Rear Heater and A/C Control, RH Front Power Window Switch (w/armored car), RIM, RMDM, RRDM, SDM, VIU

DTC U1305 Class 2 Data Link Low or High

Refer to DTC U1305 Class 2 Data Link Low or High .

MSM, RFA, Steering Column Module