Section 2684 (Immobilizer System)
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- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC B2955: Security Sensor
- DTC B302A: Mobile Telephone Communications Interface Requested Immobilization
- DTC B3031: Security Controller In Learn Mode
- DTC B3055: No Transponder Modulation or No Transponder
- DTC B389A: Environment Identification
- DTC B3902: Environment Identification
- DTC B3924-B3928: Incorrect Environmental Identifier Received
- DTC B3935: Transponder Authentication
- DTC B3976: Unconfigured Transponder
- DTC B3978-B3982: Incorrect Environmental Identifier Received
- DTC B3984: Device 1 Environment Identifier Not Programmable
- DTC P0513: Immobilizer Key Incorrect
- DTC P0633: Immobilizer Key Not Programmed
- DTC P162B: Remote Vehicle Speed Limiting Signal Message Counter
- DTC P1631: Immobilizer Fuel Enable Signal
- DTC P1649: Immobilizer Fuel Enable Signal
- Symptoms - Immobilizer
- OnStar Stolen Vehicle Slowdown Active
- Repair Instructions
- Description and Operation