Immobilizer Relearn
This relearn procedure will relearn the required communication data between the body control module (BCM) and the engine control module (ECM).
NOTE:
On some vehicles the security indicator may be illuminated for the duration of the relearn procedure.
Without RPO ATH- Passive Entry
- Connect the scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) .
- Perform the SPS function Immobilizer Learn-Setup.
- Perform the appropriate SPS function from the menu and follow the on-screen instructions.
With RPO ATH- Passive Entry
- Connect the scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) .
- Perform the SPS function Body Control Module-Setup in SPS.
- Select and perform the SPS function Brake Pedal Position Sensor Learn and follow the on-screen instructions.
- Perform the SPS function Immobilizer Learn-Setup.
- Perform the appropriate SPS function from the menu and follow the on-screen instructions