FixVault

System Inspection

  1. Was the PCM/ECM just replaced or reflashed?

    YES 

    • Using a GDS, perform "VIN WRITING" procedure. Refer to the latest Reference service information for GDS and go to "Verification Of Vehicle Repair " procedure.

    NO 

    • Using a GDS, read VIN information.

      If there is no proper VIN information, perform "VIN WRITING" procedure.

      If VIN information exists, substitute with a known-good PCM/ECM and check for proper operation. If the problem is corrected, replace PCM/ECM.

      And go to "Verification Of Vehicle Repair " procedure.