Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Verify there are no immobilizer DTCs set in the BCM.
- If any immobilizer DTCs are set in the BCM
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If no immobilizer DTCs are set in the BCM
Perform the BCM immobilizer learn using the Body Control Module IMMO Function with Existing Transponder or Remote Key in SPS. Refer to Immobilizer System Component Programming (without BTM) , Immobilizer System Component Programming (with BTM) .
Verify the engine starts after the BCM completes the learn procedure.
- If the engine does not start
  Perform the ECM immobilizer learn using the Engine Control Module IMMO Learn in SPS. Refer to Immobilizer System Component Programming (without BTM) , Immobilizer System Component Programming (with BTM) .
- If the engine starts
All OK