Repair Procedure A

Perform the following reprogramming procedure for ALL 2003 and 2004 domestic market Grand Cherokee (WJ) vehicles.

NOTE:
Whenever a controller is reprogrammed, the software in the DRBIII(R), must be programmed with the latest revision level available.

1. Before beginning the reprogramming procedure, remove any old flash reprogramming files from the DRBIII(R) memory To clear the memory from the MAIN MENU:

a. Power-up the DRBIII(R)

b. Simultaneously press the "MORE" and "YES" keys.

c. A screen will appear requesting a "COLD BOOT".

d. Follow the on screen instructions by selecting the "F4" key.

e. When the DRBIII(R) reboots to the MAIN MENU, proceed to (STEP # 2)

2. Open the hood, install a battery charger and verify battery state is above 12.5 volts.

3. Using the DRBIII(R), obtain and record the current BCM part number.

4. Connect the DRBIII(R) to TechCONNECT. Open TechTOOLS and verify that the "Device Status: DRB Connected" message is in the upper right corner of the TechTOOLS screen.

5. Manually enter the VIN then TechTOOLS will populate the available updates.

6. Select the BCM flash file, BCMWJGV047 - Version 4.7 or later.

7. Select the "DRBIII" radio button which is next to the "Download/Update" button.

8. Select the "Download/Update" button.

9. Monitor the "Flash Download/Update Progress" window on the TechCONNECT and follow the instructions on TechCONNECT. When the flash process is complete proceed to (STEP # 10)

10. Disconnect the DRBIII� from TechCONNECT.

11. Connect the DRBIII(R) to the vehicle.

12. Download the flash from the DRBIII(R) to the vehicle. Using the DRBIII(R) select:

a. "Vehicle Flash"

b. Follow the directions on the DRBIII(R) screen.

NOTE:
Due to the BCM programming procedure, a DTC may be set in other modules (TCM, PCM, MIC, SKIM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate. Check all modules using "Module Scan", record the DTC's, and erase these DTC's prior to returning the vehicle to the customer. Erase any DTC's in the PCM only after all other modules have had their DTC's erased.