GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
Yukon XL - 4WD
🢒
Engine
🢒
Engine Cooling
🢒 Diagnostic Trouble Code (DTC) List
DTC
Diagnostic Procedure
Module
P1258
DTC P1258
PCM