Body - Power Liftgate Does Not Open/Close Properly
NUMBER: 08-045-06GROUP: Electrical
DATE: October 17, 2006
THE DRBIII(R) FLASH FILES FOR THIS BULLETIN ARE AVAILABLE ON DealerCONNECT.
WHILE THE FILES ARE CURRENTLY AVAILABLE FROM THE INTERNET FOR ALL MARKETS, FOR MARKETS OUTSIDE OF THE UNITED STATES AND CANADA, THE DRBIII(R) FLASH FILES AND REPROGRAMMING INSTRUCTIONS WILL ALSO BE AVAILABLE ON ITIL/ISIS DVD 4th QUARTER, 2006.
SUBJECT:
Flash: Power Liftgate May Not Open Or Close The First Time That The Power Liftgate Button Is Depressed
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Power Liftgate Module with new software.
MODELS:
2002 - 2007 (RS/RG) Town & Country/Caravan/Voyager
NOTE:
This bulletin applies to vehicles equipped with a Power Liftgate (sales code JRC) built on or before October 13, 2006 (MDH 1013XX).
SYMPTOM/CONDITION:
The vehicle operator may describe that the Power Liftgate may not open or close the first time that the Power Liftgate button is depressed. If the button is pressed repeatedly, the liftgate will open or close properly.
DIAGNOSIS:
Using a Scan Tool (DRBIII(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all 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.
If the vehicle operator describes or experiences the Symptom/Condition, perform the Repair Procedure.
SPECIAL TOOLS / EQUIPMENT REQUIRED:
NOTE:
An updated J1962 cable has been released. This cable has a red colored connector at the DRBIII� connection. Use this cable whenever a flash is being performed.
REPAIR PROCEDURE FOR DOMESTIC VEHICLES DOWNLOADING FLASH FILES FROM DealerCONNECT> Tech TOOLS:
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).
NOTE
Remove any unnecessary PCMCIA cards prior to starting a DRBIII(R) flash.
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. With the ignition switch in the "RUN" position, determine the original part number of the Power Liftgate Module currently in the vehicle. Using the DRBIII(R) select:
a. "DRBIII(R) Standalone".
b. "1998 - 2007 Diagnostics".
c. "All (Except Below)".
d. "Body Interior".
e. "Doors, Gates & Comfort".
f. "Power Lift Module".
g. "Module Display".
h. Record the "Power Liftgate Module part # " on the repair order for later reference.
3. 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.
4. Enter the "Power Liftgate Module part # " recorded in Step # 2 in the "Parts Criteria" area and select "Show Updates". TechTOOLS will populate the appropriate flash file.
5. Select the flash file.
6. Select the "DRBIII" radio button which is next to the "Download/Update" button.
7. Select the '~Download/Update" button.
8. 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 # 9.
9. Disconnect the DRBIII(R) from TechCONNECT.
10. Open the hood and install a battery charger. Using a voltmeter, verify that the charging rate provides 13.2 - 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.
NOTE:
Do not allow the charging voltage to climb above 13.5 volts during the flash process.
11. Connect the DRBIII(R) to the vehicle.
12. 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. When the flash process is complete, proceed to next step.
NOTE:
Due to the Power Liftgate Module programming procedure, a DTC may be set in other modules 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.