Grand Caravan V6-3.3L Flex Fuel (2008)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - MIL ON/DTC P0404 Stored In Memory
NUMBER: 18-017-09 REV. A
GROUP: Vehicle Performance
DATE: June 11, 2009
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-017-09 DATED MAY 29, 2009, WHICH SHOULD BE REMOVED FROM YOUR
FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES AN ADDITIONAL MODEL YEAR.
THE wiTECH DIAGNOSTIC APPLICATION IS THE PREFERRED METHOD FOR FLASHING ECUs.
HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING AN ECU IS AVAILABLE BY SELECTING "HELP" THEN "HELP
CONTENTS" AT THE TOP OF THE wiTECH DIAGNOSTIC APPLICATION WINDOW.
THE wiTECH SOFTWARE LEVEL MUST BE AT RELEASE 9.05 OR HIGHER TO PERFORM THIS PROCEDURE.
StarMOBILE DESKTOP CLIENT or StarSCAN MAY ALSO BE USED TO PERFORM THIS PROCEDURE.
SUBJECT:
Flash: MIL Illumination For P0404 - EGR Position Sensor Performance
OVERVIEW:
This bulletin involves flash reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
**2008** - 2009 (RI) Town & Country/Grand Voyager
NOTE:
This bulletin applies to vehicles built with a 3.3L or 3.8L engine (Sales Codes EGV or EGL) built before May 11, 2009 (MDH 0511XX).
SYMPTOM/CONDITION:
Some customers may complain of a MIL illumination. Upon further investigation the Technician may find that P0404 - EGR Position Sensor
Performance has been set.
DIAGNOSIS:
Using a Scan Tool (wiTECH or StarSCAN(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine Systems are
functioning as designed. If DTC's other then the one listed above 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.
PARTS REQUIRED:
REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE:
NOTE:
If this flash process is interrupted/aborted, the flash should be restarted.
1. Reprogram the PCM with the latest software. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To
Group 8 - Electrical > Electronic Control Modules - Service Information > Module - Powertrain Control > Standard Procedures> PCM/ECM
Programming - Gas. After PCM reprogramming, the following must be performed:
a. Clear any DTC's that may have been set in other modules due to reprogramming. The wiTECH application will automatically present all DTCs
after the flash and allow the tech to clear them.
