PCM Reset Procedure
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Ford RV Cutaway, 2002 Ford Pickup, 2002 Ford F550 Super Duty, 2002 Ford F450 Super Duty, and 2002 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
After a PCM reset procedure has been performed, the following conditions will be met:
- All DTCs will be cleared from PCM memory.
- All freeze frame data will be cleared from PCM memory.
- Diagnostic monitoring results will be cleared from PCM memory.
- OBD-II system monitor status will reset.
- DTC P1000 will be set in PCM memory until all OBD-II system monitors or components have been tested to satisfy OBD-II drive cycle without any faults occurring. To clear DTC P1000, perform DRIVE CYCLE PROCEDURE under DIAGNOSTIC MONITORS. Ensure OBD-II DRIVE CYCLE PROCEDURE is performed to verify repair.
To perform PCM reset using scan tool, perform the following:
- Using Generic Scan Tool
Follow scan tool manufacturer's operating instructions. - Using New Generation Star Tester
Turn ignition off. Perform necessary vehicle preparation and visual inspection. Select VEHICLE YEAR and MODEL. Follow operating instructions from menu. Select GENERIC OBD-II FUNCTIONS. Press CONT button if all OBD-II monitors are not complete. Turn ignition on. Select CLEAR DIAGNOSTIC CODES. Press START key.
If after clearing DTCs a concern has not been corrected, or a fault is still present, a hard code will immediately be reset in PCM memory.