GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2001
🢒
Chevrolet C-Series Medium Duty Truck B7
🢒
Engine
🢒
Engine Electrical
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module
U1300
DTC U1300
TCM, PCM
U1301
DTC U1301
TCM, PCM