Repair Procedure

REPAIR PROCEDURE:

This repair applies to vehicles built prior to June 16, 1994:

Note:
The Mopar diagnostic system is required to perform the following repair and the system must be operating with release 14 or higher and TIL CD 1068 or higher must be installed.

This repair involves selectively erasing and reprogramming the powertrain control module with new software (calibrations).

1. Connect the MDS (Mopar Diagnostic System) and DRB III (Scan Tool) to the vehicle and power them up.
2. Use the arrow keys and select # 2 MDS DIAGNOSTICS on the DRB III MAIN MENU Screen.
3. Use the arrow keys and select DIAGNOSTIC MENU on the MDS, then press NEXT MENU.
4. Use the arrow keys and select CONTROLLER PROGRAMMING on the MDS, then press NEXT MENU.
5. Use the arrow keys and select PROGRAM CONTROLLER PART on the MDS, then press NEXT MENU.
6. Follow the steps presented on the MDS and DRB III which will allow the DRB III to obtain the current part number of the controller.
7. The MDS will display the part number of the controller on the vehicle and the appropriate replacement part number, then press NEXT MENU to begin programming.

If the controller on the vehicle has already been updated or programmed, a NO UPDATES AVAILABLE message will be displayed. Check the part number of the controller on the vehicle and compare it to the part number displayed. If the controller has already been updated, proceed to step 9.

8. The MDS and DRB III will prompt for any operator action needed during the remainder of the programming process.

Note:
The following steps are required by law.




9. Type the necessary information on the "Authorized Software Update Label" and attach it to the PCM and cover the label with a clear plastic sticker.





10. Type the necessary information on the Authorized Modification Label and attach the label near the VECI Label.

THIS REPAIR INVOLVES REPLACING THE POWERTRAIN CONTROL MODULE WITH A NEW ONE THAT INCORPORATES REVISED SOFTWARE.

1. Remove the PCM and replace it with the appropriate unit called out in "PARTS REQUIRED".

Note:
The following step is required by law.




2. Type the required information on the Authorized Modification Label (as illustrated), and attach near the VECI Label.

POLICY: Reimbursable within the provisions of the warranty.