GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Sonoma Pickup - 2WD
🢒
Driveline/Axle
🢒
Transfer Case - NVG 233-NP1 (Two Speed Selectable)
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module(s)
DTC 001
DTC 001
TCCM
DTC 002
DTC 002
TCCM
DTC 003
DTC 003
TCCM
DTC 004
DTC 004
TCCM