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Audio System - Loss Of Sound From L/H Speakers

NUMBER: 08-026-08

GROUP: Electrical

DATE: August 20, 2008

THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.

StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 9.01 OR HIGHER FOR THIS BULLETIN.

StarMOBILE STANDALONE MODE OR StarMOBILE DESKTOP CLIENT MAY ALSO BE USED TO PERFORM THIS PROCEDURE.

SUBJECT:
Intermittent Or No Sound From The Left Side On Premium Audio Systems

OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Front Control Module (FCM) with new software.

MODELS:

2006 (WK) Grand Cherokee

2006 (WH) Grand Cherokee (International Markets)

2006 (XK) Commander

2006 (XH) Commander (International Markets)

NOTE:
This bulletin applies to all subject vehicles equipped with Premium Audio System only (sales code RC6 and RD7)

SYMPTOM/CONDITION:
The vehicle operator may notice that there is intermittent loss of sound from the left side speakers at times. The condition may last anywhere from a few minutes to several hours in duration.

DIAGNOSIS:

1. Connect STAR Scan to vehicle

2. Turn Ignition Key on

3. Inspect for the part number of the radio amplifier.

4. Is the part number of the radio amplifier 0506411 8AG or higher?

a. NO >> This bulletin does not apply. Further diagnosis is required.

b. YES >> proceed to Step # 5.

5. Inspect the software level of the FCM.

6. Is the software level of the FCM 04692024AG or earlier?

a. NO >> STOP. This bulletin does not apply. Further diagnosis is required.

b. YES >> Perform the repair procedure below.





SPECIAL TOOLS / EQUIPMENT REQUIRED:

REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE:

NOTE:
Before performing this Repair Procedure, the operating software in the StarSCAN(R) must be programmed with software release level 9.01 or higher.

The software release level is visible in the blue header at the top of the StarSCAN(R) screen.

NOTE:
The StarSCAN(R) diagnostic scan tool fully supports Internet connectivity. However, to take advantage of this feature you must first configure the StarSCAN(R) for your dealership's network. Make sure the StarSCAN(R) is configured to the dealership's network before proceeding. For instruction on setting up your StarSCAN(R) for the dealer's network refer to either:

"DealerCONNECT > Service > StarSCAN and StarMOBILE tools > Online Documentation", or refer to the StarSCAN(R) Quick Start Networking Guide. The StarSCAN� Quick Start Networking Guide is also available on the website under the "Download Center".

NOTE
:
If this flash process is interrupted/aborted, the flash should be restarted.

1. Install a battery charger and verify that the charging rate provides approximately 13.2 - 13.8 volts. Set the battery charger to continuous charge. Do not allow the charger to time out during the flash process. Remove the charger from the battery when the flash process is complete.

2. Connect the CH9410 StarSCAN(R) ethernet cable to the StarSCAN(R) and the dealer's network drop.

3. Connect the CH9404 StarSCAN(R) vehicle cable to the StarSCAN(R) and the vehicle.

4. Power ON the StarSCAN(R).

5. Install a battery charger and verify that the charging rate provides approximately 13.2 - 13.8 volts. Set the battery charger to continuous charge. Do not allow the charger to time out during the flash process. Remove the charger from the battery when the flash process is complete.

6. Connect the CH9410 StarSCAN(R) ethernet cable to the StarSCAN(R) and the dealer's network drop.

7. Connect the CH9404 StarSCAN(R) vehicle cable to the StarSCAN(R) and the vehicle.

8. Power ON the StarSCAN(R).

9. Select "ECU View"

10. Touch the screen to highlight the FCM in the list of modules.

11. Select "More Options"

12. Select "FCM Flash".

13. Record the part number at the top of the "Flash FCM" screen for later reference.

14. Select "Browse for New File". Follow the on screen instructions.

15. Highlight the appropriate calibration then select "Download to Scantool".

16. Select "Close" after the download is complete, then select "Back".

17. Highlight the listed calibration.

18. Select "Update Controller". Follow on screen instructions.

19. When the update is complete, select "OK".

20. Verify the part number at the top of the "Flash FCM screen has updated to the new part number.

NOTE:
Due to the FCM programming procedure, a DTC may be set in other modules (PCM, ECM, TCM, BCM, MIC, SKREEM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate. From the "Home" screen select "System View". Then select "All DTCs". Press "Clear All Stored DTCs" if there are any DTCs shown on the list.

POLICY:
Reimbursable within the provisions of the warranty.





TIME ALLOWANCE:





FAILURE CODE:

Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.