GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2003 🢒 ION 🢒 Engine 🢒 Engine Electrical 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Modules

B1327

DTC B1327

BCM, ONS

B1328

DTC B1328

BCM, ONS

P0562

DTC P0562

ECM

P0563

DTC P0563

ECM

P0616

DTC P0616

ECM

P0617

DTC P0617

ECM

P0621

DTC P0621

ECM

P0622

DTC P0622

ECM