GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC U1000 Class 2 Data Link Malfunction Scan Tool Does Not Communicate with Class 2 Device

CVRSS

EBCM

IPC

MSM

Navigation Data Processor

Navigation Display Module

PCM

Radio

Radio Amplifier

RKE

SDM

Theft Deterrent Module

DTC U1016 Loss of PCM Communications Scan Tool Does Not Communicate with Class 2 Device

Cellular Telephone Module

CVRSS

DDM

DIM

EBCM

IPC

IPM

MSM

Navigation Data Processor

Navigation Display Module

Radio

Radio Amplifier

RIM

RKE

SDM

Steering Column Module

Theft Deterrent Module

DTC U1040 Loss of ABS Communications Scan Tool Does Not Communicate with Class 2 Device

CVRSS

IPC

DTC U1056 Loss of RSS Communications Scan Tool Does Not Communicate with Class 2 Device

EBCM

DTC U1064 Loss of DIM Communications Scan Tool Does Not Communicate with Class 2 Device

Cellular Telephone Module

CVRSS

DDM

IPC

IPM

MSM

Navigation Data Processor

Navigation Display Module

Radio

Radio Amplifier

RIM

RKE

SDM

Steering Column Module

Theft Deterrent Module

DTC U1065 Loss of IPM Communications Scan Tool Does Not Communicate with Class 2 Device

Cellular Telephone Module

CVRSS

DDM

DIM

IPC

Navigation Data Processor

Navigation Display Module

Radio

RIM

DTC U1066 Loss of RIM Communications Scan Tool Does Not Communicate with Class 2 Device

DDM

DIM

IPC

IPM

DTC U1088 Loss of SDM Communications Scan Tool Does Not Communicate with Class 2 Device

IPC

DTC U1096 Loss of IPC Communications Scan Tool Does Not Communicate with Class 2 Device

SDM

DTC U1128 Loss of IRC Communications Scan Tool Does Not Communicate with Class 2 Device

Cellular Telephone Module

Navigation Data Processor

Radio Amplifier

DTC U1129 Loss of AMP Communications Scan Tool Does Not Communicate with Class 2 Device

Radio

DTC U1144 Loss of PHN Communications Scan Tool Does Not Communicate with Class 2 Device

IPC

Radio

DTC U1145 Loss of NAV Communications Scan Tool Does Not Communicate with Class 2 Device

Radio

DTC U1160 Loss of DDM Communications Scan Tool Does Not Communicate with Class 2 Device

IPC

MSM

Navigation Data Proccessor

Radio

RIM

Steering Column Module

DTC U1161 Loss of PDM SBI DTC U1161 Loss of PDM Serial Data in Doors

DDM

DTC U1162 Loss of LRDM SBI DTC U1162 Loss of LRDM Serial Data in Doors

DDM

DTC U1163 Loss of RRDM SBI DTC U1163 Loss of RRDM Serial Data in Doors

DDM

DTC U1170 Loss of Driver Door Sw Asm SBI DTC U1170 Loss of Driver Door Sw Asm Serial Data in Doors

DDM

DTC U1192 Loss of VTD Communications Scan Tool Does Not Communicate with Class 2 Device

IPC

DTC U1255 Class 2 Data Link Malfunction Scan Tool Does Not Communicate with Class 2 Device

AMP

Cellular Telephone Module

DDM

DIM

EBCM

IPC

IPM

MSM

Navigation Data Processor

Radio

RIM

RKE

SDM

Steering Column Module

Theft Deterrent Module

DTC U1300 Class 2 Short to Ground DTC U1300 Class 2 Short to Ground

Cellular Telephone Module

DIM

DDM

EBCM

IPC

IPM

MSM

Navigation Data Processor

Radio

Radio Amplifier

RIM

RKE

SDM

Steering Column Module

Theft Deterrent Module

DTC U1301 Class 2 Short to Battery DTC U1301 Class 2 Short to Battery

Cellular Telephone Module

DDM

DIM

EBCM

IPC

IPM

MSM

Navigation Data Processor

Radio

Radio Amplifier

RIM

RKE

SDM

Steering Column Module

Theft Deterrent Module

DTC U1305 Class 2 Data Link Low or High DTC U1305 Class 2 Data Link Low or High

MSM

DTC U2150 in Instrument Panel Gauges, and Console DTC U2150 Navigation ECU Gateway Communication Error

Navigation Data Processor

DTC U2151 in Instrument Panel Gauges, and Console DTC U2151 Navigation ECU Communication Malfunction

Navigation Display Module

DTC U2153 in Instrument Panel Gauges, and Console DTC U2153 VICS ECU Communication Error

Navigation Data Processor