GM Service Manual Online
For 1990-2009 cars only

Description

Module

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

VCM, ATC, EBCM, SDM, IPC, BCM, DIC

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

VCM, ATC, EBCM, SDM, IPC, BCM, DIC

DTC U1300 Class 2 Data Link Low. Refer to DTC U1300 Class 2 Data Link Low .

VCM, ATC, EBCM, SDM, IPC, BCM, DIC

DTC U1301 Class 2 Data Link High. Refer to DTC U1301 Class 2 Data Link High .

VCM, ATC, EBCM, SDM, IPC, BCM, DIC

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

VCM, ATC, EBCM, SDM, IPC, BCM, DIC