A/C - Intermittent Mode Door Function
NUMBER: 24-004-08 REV. AGROUP: Heating & Air Conditioning
DATE: February 29, 2008
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 24-004-08, DATED FEBRUARY 13, 2008, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES THE REPLACEMENT OF THE ATC CONTROL HEAD WITH THE LATEST COMPONENT IF IT CANNOT BE FLASH REPROGRAMMED.
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 8.04 OR HIGHER.
StarMOBILE(R) DESKTOP CLIENT MAY ALSO BE USED TO PERFORM THIS PROCEDURE.
SUBJECT:
Flash: Intermittent Mode Door Function - 3 Zone ATC
OVERVIEW:
This bulletin involves reprogramming the Automatic Temperature Control Module (ATC) with new software.
NOTE:
**If after downloading the latest HVAC software and the "FLASH HVAC" screen does NOT provide a selection for "UPDATE" (EMPTY SCREEN) the HVAC control head will require replacement with the pn listed in this Service Bulletin (or later if applicable). Only a small number of early built vehicles may require replacement.**
MODELS:
2008 (RI) Caravan/Town & Country
NOTE:
This bulletin applies to models equipped with 3 zone ATC (Sales Code HAH) built prior to January 11,2008 (MDH0111XX) at the Windsor Assembly plant (R in 11th VIN position) -OR- January 23, 2008 (MDH0123XX) at the St Louis Assembly plant (B in 11th VIN position).
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 8.04 level 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(R) and StarMOBILE(R) 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 CH9404D StarSCAN(R) vehicle cable to the StarSCAN(R) and the vehicle.
4. Power ON the StarSCAN(R).
5. Turn the ignition switch on.
6. Retrieve the old HVAC part number. Using the StarSCAN(R) at the "Home" screen:
a. Select "ECU View"
b. Touch the screen to highlight the HVAC in the list of modules.
c. Select "More Options"
d. Select "HVAC Flash"
e. Record the part number at the top of the "Flash HVAC" 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. **If the listed calibration is not available, (empty screen) skip to step 7.**
k. Select "Update Controller". Follow on screen instructions.
l. When the update is complete, select "OK".
m. Verify the part number at the top of the "Flash HVAC" screen has updated to the new part number.
NOTE:
Due to the HVAC programming procedure, a DTC may be set in other modules (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.
7. "If the downloaded file is not available for selection on the "FLASH HVAC screen, the Control Head will require replacement with pn 55111807AH. Follow the procedures listed in DealerCONNECT >> TechCONNECT for detailed replacement procedures.**
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.