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Engine Controls -DTC's Set/Electrical System Issues

NUMBER: 18-038-07

GROUP: Vehicle Performance

DATE: June 9, 2007

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

StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 7.04_SP1 OR HIGHER FOR THIS BULLETIN.

SUBJECT:
FLASH: 6.1L - SRT8 - Charging System Voltage

OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM).

MODELS:

2007 (WK) Grand Cherokee

2007 (WH) Grand Cherokee - International markets

2007 (LX) Charger, 300, Magnum

2007 (LE) Charger, 300 - International Markets

SYMPTOM/CONDITION:

The vehicle operator may experience any of the following symptoms:

Front Door Control Module (FDCM ) Dropout (WK/WH only)
Radio Dropout
All Wheel Drive Will Not Engage

You may also encounter one of more of the following Diagnostic Trouble Codes (DTC's) when diagnosing Electronic Control modules:

B210D - Battery Voltage Low B21 OE - Battery Voltage High

DIAGNOSIS:
Using a Scan Tool (StarSCAN(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTC's are present record them on the repair order and repair as necessary before proceeding further with this bulletin.





PARTS REQUIRED:





SPECIAL TOOLS / EQUIPMENT REQUIRED:

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

NOTE:
When performing this Repair Procedure, the software release level in the StarSCAN(R); must be programmed with 7.04 SP1 software 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(R) 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 13.5 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. Using the StarSCAN(R) at the "Home" screen:

a. Select "ECU View"

b. Touch the screen to highlight the PCM in the list of modules.

c. Select "More Options"

d. Select "ECU Flash"

e. Record the part number at the top of the "Flash PCM" screen for later reference.

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





g. Select "Download to Scantool".

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

i. Highlight the listed calibration.

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

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

l. Verify the part number at the top of the "Flash PCM screen has updated to the new part number.

NOTE:
The following step is required by law when reprogramming a PCM and/or TCM.

6. Type the necessary information on the "Authorized Modification Label p/n 04275086AB and attach near the VECI label (Fig 1).

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.