GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2002
🢒
Astro - 2WD
🢒
Body and Accessories
🢒
Doors
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module(s)
B3137
DTC B3137 or B3138
BCM
B3138
DTC B3137 or B3138
BCM
B3147
DTC B3147 or B3148
BCM
B3148
DTC B3147 or B3148
BCM