GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Blazer - 4WD - RHD
🢒
Body and Accessories
🢒
Data Link Communications
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module
B1477
DTC B1477 or B1478
BCM
B1478
DTC B1477 or B1478
BCM