GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code (DTC) Clearing for Isuzu Isuzu T-Series (Truck Line C) 2001

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.