Operation CHARM: Car repair manuals for everyone.

Repair Procedure B

Perform the following reprogramming procedure for ALL 2004 International Market Grand Cherokee (WG) vehicles or for 2003 International Market Grand Cherokee (WG) vehicles NOT equipped with an Intrusion Alarm Module.

1. Before beginning the reprogramming procedure, remove any old flash reprogramming files from the DRBIII� 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. Proceed with the reprogramming procedure when the DRBIII(R) reboots to the MAIN MENU.

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. Use the null modem cable to connect the DRBIII(R) to the computer with the ISIS Benchtop Programmer/DRBIII(R); Winflash II application. Power the DRBIII(R). The DRBIII(R) must be at version level 58.0 or higher.

5. Remove any PCMCIA card from the DRBIII(R).

6. From the DRBIII(R) Main Menu, select Run Memory Card Program (Option 5), and then select Attempt Serial Communications (Option 1). Take no action when the DRBIII� screen displays the following messages: No Memory Card Detected, Attempting Serial Communications Link, Press Page Back To Exit.

7. Two methods are available to download the BCM software. To use the TechCONNECT website, proceed to step # 8. To use the ISIS CD-ROM, proceed to step # 17.

Method 1: International TechCONNECT website

8. Using the TechCONNECT website, download the BCM flash file, BCMWJGV047

- Version 4.7 or later. Refer to the user's guide on the ISIS CD-ROM under the Software Help folder for additional assistance.

9. Launch the computer Benchtop Programmer/DRBIII(R) Winflash II application.

10. Click on the computer Mode menu and select DRBIII(R) Winflash. The DRBIII(R) Winflash II application should display the following words in green, "DRB Connected".

11. Click the Internet Download button

12. The BCM flash update will be displayed on the Web Download dialog box. Click the Download button to send the BCM file to the DRBIII(R).

13. Connect the DRBIII(R) to the vehicle and select Vehicle Flash (Option 7) from the DRBIII(R) Main Menu.

14. Carefully follow the instructions on the DRBIII(R) screen and complete the BCM reprogramming process. Power down the BCM by turning the ignition switch to the OFF position.

15. Cycle the ignition key from the OFF to the RUN positions at least two (2) times to allow the BCM to learn.

16. Proceed to step # 26.

Method 2: ISIS CD-ROM

17. Using ISIS CD (February 2004) or later series, reinstall or upgrade the existing Benchtop Programmer/DRBIII(R) Winflash II application on the computer.

Refer to the installation and user's guides on the ISIS CD-ROM under the Software Help folder for additional assistance.

18. Launch the computer Benchtop Programmer/DRBIII(R) Winflash II application.

19. Click on the computer Mode menu and select DRBIII(R) Winflash. The DRBIII(R) Winflash II application should display the following words in green, "DRB Connected".

20. Either enter the BCM part number (preferred and obtained earlier), or use the following criteria to select the flash from the drop down list:

a. Select 2003 or 2004 Model Year.

b. Select WG Body Style.

c. Select Engine.

NOTE:
The preferred method to select the correct software is by entering the current BCM part number into the ISIS Benchtop Programmer/DRBII(R) Winflash II application.

21. Select the desired BCM Flash update, BCMWJGV047 - Version of 4.7 or later, from the table grid list on the computer.

22. Click the CD Download button on the computer to send the file to the DRBIII(R).

23. Connect the DRBIII(R) to the vehicle and select Vehicle Flash (Option 7) from the DRBIII(R) Main Menu.

24. Carefully follow the instructions on the DRBIII(R) screen and complete the BCM reprogramming process. Power down the BCM by turning the ignition switch to the OFF position.

25. Cycle the ignition key from the OFF to the RUN positions at least two (2) times to allow the BCM to learn.

26. Reset country code setting in the BCM.

a. The country code setting is available in the DRBIII(R) Standalone Menu / 1998 - 2004 Diagnostics / Body Menu / Miscellaneous Menu. Perform this operation even if the current country code is correct.

b. Cycle the ignition key at least twice, from OFF to RUN, to allow the BCM to learn.

NOTE:
The Vehicle Theft Security System (VTSS) / Vehicle Theft Alarm (VTA) must be enabled once the BCM has been reprogrammed.

27. Enable VTSS / VTA.

a. The VTSS is available in the DRBIII(R) Standalone Menu /1998 - 2004 Diagnostics / Theft Alarm.

b. Follow the DRBIII(R) instructions.

c. If the vehicle is a 2003 Grand Cherokee (WG), verify that the EU DRL (European Day Time Running Lights) feature is disabled. If necessary, this feature can be disabled with the DRBIII(R), and then verified by turning the headlamps and parking lamps to the OFF position and then turning the ignition key to the RUN position. In this mode, the headlamps and/or parking lamps should not be illuminated if the EU DRL has been disabled.

d. Cycle the ignition key at least twice, from OFF to RUN, to allow the BCM to learn.

28. Check for faults in the BCM.