For 1990-2009 cars

Use the following procedure in order to clear DTCs stored in PBCM memory.

1. Turn ON the ignition.
2. Remove the PARK BRAKE circuit breaker.
3. Wait 5 seconds.
4. Reinstall the PARK BRAKE circuit breaker.
5. Use a flat blade screwdriver in order to short together the 2 terminals located in the diagnostic port of the PBCM.
6. Observe the diagnostic display on the side of the PBCM, ensuring "00" is displayed. A "00" display indicates that all DTCs have been successfully cleared.