Engine Controls - Poor A/C Performance: Overview
NUMBER: 24-008-03GROUP: Heating & A/C
DATE: November 28, 2003
SUBJECT:
Flash - A/C System Performance
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. THE SOFTWARE WILL BE AVAILABLE ON TechCONNECT ON OR AFTER DECEMBER 15, 2003.
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2004 (RG) Chrysler Voyager (International Markets)
2004 (RS) Town & Country/Caravan/Voyager
NOTE:
This bulletin applies to RS and RG vehicles equipped with a 2.4L engine (sales code EDZ) and a automatic transmission built prior to October 30, 2003 (MDH 1030xx).
SYMPTOM/CONDITION:
Poor A/C system performance in high ambient temperature above 32° C (90° F) or A/C cycling too frequently during normal engine operating temperatures.
DIAGNOSIS:
Using a Scan Tool (DRBIII(R) with the appropriate Diagnostic Procedures Manual, verify all other engine systems are functioning as designed. If DTCs are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
If the vehicle operator describes or the technician experiences the Symptom/Condition, perform the Repair Procedure.
PARTS REQUIRED:
SPECIAL TOOLS/EQUIPMENT REQUIRED:
NOTE:
An updated J1962 cable has been released. This cable has a red colored connector at the DRBIII(R) connection. Use this cable whenever a flash is being performed.
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.