Patriot 4WD L4-2.4L (2009)
Engine Control Module: All Technical Service Bulletins
Engine Controls - MIL ON/DTC's P0139/P0571 Set
NUMBER: 18-018-09
GROUP: Vehicle Performance
DATE: June 23, 2009
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 Diagnostic Trouble Code P0139 Or P0571 Is Set
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2009
(JC)
Journey
2009
(JS)
Sebring/Avenger/Sebring Convertible
2009
(PM)
Caliber
2009
(MK)
Compass/Patriot
NOTE:
This bulletin applies to:
-
2009 JS vehicles equipped with a 2.0L/2.4L Engine (Sales Code ECN or EDG or ED3) built before July 27, 2009 (MDH 0727XX)
-
2009 JC vehicles equipped with a 2.4L engine (sales code ED3 or EDG) built before July 27, 2009 (MDH 0727XX)
-
2009 PM/MK vehicles equipped with a 1.8L, 2.0L or 2.4L engines (Sales Codes EBA, ECN and ED3) built before July 10, 2009 (MDH
0710XX)
SYMPTOM/CONDITION:
Some customers may experience a MIL illumination. The MIL is for P0139 - 02 Sensor 1/2 Slow Response. Further investigation by the technician may
also find DTC P0571.
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 ones listed above are present record them on the repair order and repair as necessary before proceeding
further with this bulletin.
PARTS REQUIRED:
REPAIR PROCEDURE:
NOTE: