GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Cobalt
🢒
Safety and Security
🢒 Immobilizer
Safety and Security
All Description and Operation
Immobilizer Description and Operation
Cleaning, Inspection, and Adjustment
Adding Keys
Immobilizer System Component Programming
Replacing Keys
Diagnostic Procedures
Diagnostic Starting Point - Immobilizer
Diagnostic Trouble Codes
DTC B3006
DTC B3031
DTC B3055
DTC B3060
DTC B3935
DTC B3976
DTC P1629
DTC P1630
DTC P1631
DTC P1632
Electrical/Electronic Schematic Diagrams
Immobilizer Schematics
Removal, Installation, and Replacement
Theft Deterrent Module Replacement