Lighting - Unable to Adjust Interior Illumination
NUMBER: 08-006-04GROUP: Electrical
DATE: February 17, 2004
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. THE SOFTWARE WILL BE AVAILABLE ON TeChCONNECT FEBRUARY 17, 2004.
SUBJECT:
Flash - Instrument Panel Illumination
OVERVIEW:
This bulletin involves reprogramming the Body Control Module (BCM).
MODELS:
2001 - 2003 (RG) Chrysler Voyager (International Markets)
2001 - 2003 (RS) Town & Country/Caravan/Voyager
SYMPTOM/CONDITION:
The vehicle operator may describe that the Instrument Panel, Overhead Console, Radio and Climate Control system illumination is not adjustable when the headlamp switch is in the "ON" or "AUTO" position.
If the instrument panel illumination is not adjustable, the technician may find a Panel Dimming Output DTC in the BCM.
DIAGNOSIS:
1. With the ignition switch in the "RUN" position, determine the BCM software part number currently in the vehicle. Using the DRBIII(R) select:
a. "DRBIII(R) Standalone"
b. "1998 - 2004 Diagnostics"
c. "All (Except Below)"
d. "Body Interior"
e. "Body Computer"
f. "Module Display"
g. Record the BCM "Software p/n" on the repair order for later reference.
h. Check DTC's
Use the table to determine the appropriate action.
SPECIAL TOOLS/EQUIPMENT REQUIRED:
NOTE:
An updated J1962 cable ha5 been released. This cable has a red colored connector at the DRBIII(R) connection. Use this cable whenever a flash is being performed.
REPAIR PROCEDURE:
NOTE:
Whenever a controller is reprogrammed, the software in the DRBIII(R); must be programmed with the latest revision level available.
1. Before beginning the reprogramming procedure, remove any old flash reprogramming files from the DRBIII(R) 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. When the DRBIII(R) reboots to the MAIN MENU, proceed to (STEP # 2)
2. Open the hood, install a battery charger and verify battery state is above 12.5 volts.
3. Connect the DRBIII(R) to TechCONNECT. Open TechTOOLS and verify that the "Device Status: DRB Connected" message is in the upper right corner of the TechTOOLS screen.
4. Manually enter the VIN then TechTOOLS will populate the available updates.
5. Select the appropriate BCM flash file.
6. Select the "DRBIII(R)" 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� from TechCONNECT.
10. Connect the DRBIII� to the vehicle.
11. Download the flash 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, PCM, 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.
12. Verify that the instrument panel illumination is operating properly.
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.