GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC U1000 Class 2 Serial Data Link Malfunction

Refer to DTC U1000 and DTC U1255 Class 2 Communication Malfunction

BCM, IPC, PCM, EBCM, SDM

DTC U1016 Loss of Communications with PCM

Refer to DTC U1001-U1254 Loss of XXX Communications

BCM, IPC, EBCM, SDM

DTC U1040 Loss of Class 2 Communications with ABS

Refer to DTC U1001-U1254 Loss of XXX Communications

BCM, IPC, PCM, SDM

DTC U1064 Loss of Communications with BCM

Refer to DTC U1001-U1254 Loss of XXX Communications

IPC, PCM, EBCM, SDM

DTC U1088 Loss of Communications with SDM

Refer to DTC U1001-U1254 Loss of XXX Communications

BCM, PCM, EBCM

DTC U1096 Loss of Communications with IPC

Refer to DTC U1001-U1254 Loss of XXX Communications

BCM, PCM, EBCM, SDM

DTC U1255 Class 2 Communication Malfunction

Refer to DTC U1000 and DTC U1255 Class 2 Communication Malfunction

BCM, IPC, PCM, EBCM, SDM

DTC U1300 Class 2 Data Link Low

Refer to DTC U1300 Class 2 Data Link Low

IPC, PCM, EBCM, SDM

DTC U1301 Class 2 Data Link High

Refer to DTC U1301 Class 2 Data Link High

IPC, PCM, EBCM, SDM