Immobilizer System
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC B1021: SIM Card
- DTC B1446 or B1447: Backup Power Source
- DTC B2462: Global Positioning System
- DTC B2470: Cellular Phone Antenna
- DTC B2955: Security Sensor Data
- DTC B302A: Mobile Telephone Communications Interface
- DTC B3031: Security Controller
- DTC B3055: No Transponder Modulation or No Transponder
- DTC B305C: Immobilizer Transponder of Wrong Type Programmed
- DTC B3060: Unprogrammed Transponder Identification Code Received
- DTC B389A: Environment Identification
- DTC B3902: Incorrect Immobilizer Identifier Received
- DTC B3935: Transponder Authentication
- DTC B3976: Unconfigured Transponder
- DTC B3984: Device 1 Environment Identifier
- DTC P0513: Immobilizer Key
- DTC P0633: Immobilizer Key
- DTC P162B: Remote Vehicle Speed Limiting Signal
- DTC P1630: Immobilizer Learn Mode
- DTC P1631: Immobilizer Fuel Enable
- DTC P1649: Immobilizer Security Code Not Programmed
- Symptoms - Immobilizer
- OnStar Stolen Vehicle Slowdown Active
- Repair Instructions
- Description and Operation