GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC K Sierra - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module(s)

B1327

DTC B1327

BCM

B1328

DTC B1328

BCM

P0562

DTC P0562

PCM

P0563

DTC P0563

PCM

P0615

DTC P0615

PCM

P0621

DTC P0621

PCM

P0622

DTC P0622

PCM

P1637

DTC P1637

PCM

P1638

DTC P1638

PCM