GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
GMC C-Series Medium Duty Truck B7
🢒
Body and Accessories
🢒
Data Link Communications
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module
U1300
DTC U1300
TCM, PCM
U1301
DTC U1301
TCM, PCM