Immobilizer Components And Replacement Guide
| Component: |
|---|
| Body Control Module (BCM) |
| Radio Frequency Hub (RFH) Module |
| Powertrain Control Module (PCM) |
| Electronic Steering Lock (ESL) Module |
| Electronic Control Unit (ECU) |
Example Scenario: If a user has replaced both the PCM and BCM, the table indicates the routines should be ran in the following order:
- BCM Immobilizer Replace
- Immobilizer ECUs Replaced
- ECU Specific Procedures
All procedure names in the table are how they will appear in the diagnostic scan tool.
| Priority | Procedure Name | BCM | PCM | ESL | FOBIKs | RFH |
| 1 | Vehicle Reconfiguration | X | ||||
| 2 | RF-Hub Replace | X | ||||
| 3 | Program Ignition FOBIKs | X | ||||
| 4 | BCM Immobilizer Replace | X | ||||
| 5 | Immobilizer ECUs Replaced | X | X | |||
| 6 | ECU Specific Procedures | X | X | X | X |
NOTE:
If the BCM does not program, please disconnect the battery, wait 15 seconds, reconnect the battery and run the BCM immobilizer replace routine again.