You can try the relearn procedure. If this does not work it means you have a hard failure in the system and will need a professional scan tool capable ofr reading Body codes to diagnose it.
PASSLOCK TEN MINUTE RELEARN
AUTO LEARN
Time required, approximately ten minutes:
1. Insure that the battery is fully charged.
2. Use the scan tool in order to clear the DTCs.
3. Turn the ignition switch from the OFF position to the CRANK position attempting to start the vehicle. The vehicle will start and then stall.
4. Leave the ignition switch in the ON position while observing the security indicator.
5. When the security indicator turns off, which can take up to ten minutes, turn the ignition switch off. Wait ten seconds.
6. The BCM and the PCM will learn the new code on the next start attempt.
Sep 25, 2016 at 9:47 PM
