GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC U1000 Class 2 Data Link Malfunction

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

TCSCM, ECCM, BCM, IPC

DTC U1016 Loss of Communications with PCM

Refer to DTC U1001-U1254 Lost Communication with XXX .

ECCM, IPC, BCM

DTC U1026 Loss of ATC Class 2 Communication

Refer to DTC U1001-U1254 Lost Communication with XXX .

TCSCM, IPC, PCM/VCM

DTC U1041 Loss of EBCM Communication

Refer to DTC U1001-U1254 Lost Communication with XXX .

TCSCM, IPC, PCM/VCM

DTC U1064 Loss of Communications with BCM

Refer to DTC U1001-U1254 Lost Communication with XXX .

TCSCM, IPC, PCM/VCM

DTC U1096 Loss of Communications with IPC

Refer to DTC U1001-U1254 Lost Communication with XXX .

SDM, PCM/VCM

DTC U1192 Loss of Communications with VTD

Refer to DTC U1001-U1254 Lost Communication with XXX .

PCM/VCM

DTC U1255 Class 2 Communication Malfunction

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

TCSCM, ECCM, BCM, IPC

DTC U1300 Class 2 Data Link Low

BCM

DTC U1301 Class 2 Data Link High

BCM