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Body Controls - MIL ON/Keyless Entry Inoperative/DTC Set

NUMBER: 08-028-05

GROUP: Electrical

DATE: May 28, 2005

THE DRBIII(R) FLASH FILES FOR THIS BULLETIN ARE AVAILABLE ON DealerCONNECT.

FOR MARKETS OUTSIDE OF THE UNITED STATES AND CANADA, THE FLASH FILES AND REPROGRAMMING INSTRUCTIONS WILL BE AVAILABLE ON ITIL/ISIS DVD JULY, 2005.

SUBJECT:

Flash: MIL Illumination, Remote Keyless Entry (RKE) Inoperative

OVERVIEW:
This bulletin involves reprogramming the Body Control Module (BCM) with new software.

MODELS:

2005 (CS) Pacifica

2005 (RS) Town & Country/Caravan

NOTE:
This bulletin applies to CS vehicles built on or before May 7, 2005 (MDH 0507XX) and RS vehicles, built on or between July 26, 2004 (MDH 0726XX) through and including May 7, 2005 (MDH 0507XX), with a 4-connector BCM.

SYMPTOM/CONDITION:

^ MIL Illumination

^ RKE inoperative

^ PCI Internal Fault DTC in BCM

DIAGNOSIS:

1. With the ignition switch in the "RUN" position, determine the original software part number of the BCM currently in the vehicle. Using the DRBIII(R) select:

a. "DRBIII(R)" standalone"

b. "1998 - 2005 Diagnostics"

c. "All (Except Below)"

d. "Body Interior"

e. "Body Computer"

f. "Module Display"





g. Record the "Software part # " on the repair order for later reference.

h. Check DTC's

2. If the Symptom/Condition is present, use the following table to determine the appropriate action.





SPECIAL TOOLS/EQUIPMENT REQUIRED:

REPAIR PROCEDURE:

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

NOTE:
If this flash process is interrupted/aborted, the flash process should be restarted and then follow the directions on the DRBIII(R).

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

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

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

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

d. When the DRBIII(R) reboots to the MAIN MENU, proceed to Step # 2.

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

3. Enter the "BCM part # ", recorded in "Diagnosis Step # 1, in the "Parts Criteria" area and select "Show Updates". TechTOOLS will populate the appropriate flash file.

4. Select the flash file.

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

6. Select the "Download/Update" button.

7. 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 # 8.

8. Disconnect the DRBIII(R) from TechCONNECT.

9. Open the hood, install a battery charger and verify that the charging rate provides approximately 13.5 volts.

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

11. Download the flash file 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, BCM, 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.

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.