GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
Century
🢒
Body and Accessories
🢒
Retained Accessory Power
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module(s)
B1477
DTC B1477
BCM
B1478
DTC B1478
BCM