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Engine Controls - MIL ON/DTC's P050D Or P2181 Set

NUMBER: 18-015-11 REV. B

GROUP: Vehicle Performance

DATE: September 14, 2011

THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-015-11 REV. A, DATED APRIL 27, 2011, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE NEW SOFTWARE FOR 2008 AND 2009 KA/KK 3.7L VEHICLES.

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 12.01 OR HIGHER TO PERFORM THIS PROCEDURE.

StarMOBILE STANDALONE MODE OR StarMOBILE DESKTOP CLIENT MAY ALSO BE USED TO PERFORM THIS PROCEDURE.

SUBJECT:
Flash: MIL Illumination POSOD Or P2181 Is Set

OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.

MODELS:

2007-2010 (KA) Nitro

2007 (KJ) Liberty

**2008-2010** (KK) Liberty

NOTE:
This bulletin applies to 2007 - 2010 KA models equipped with a 4.0L engine (sales code EGS) and an automatic transmission.

NOTE:
This bulletin applies to 2007, **2008, 2009** and 2010 KK and KA models equipped with a 3.7L engine (sales code EKG) and an automatic transmission.**

SYMPTOM/CONDITION:
Some customers may complain of MIL illumination. No other symptoms will be noted or experienced. Further investigation by the technician may find DTC P0S0D or P2181 is set.

DIAGNOSIS:
Using a Scan Tool (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:

1. Reprogram the PCM with the latest software. Follow the detailed service procedures available in DealerCONNECT/TECHCONNECT, Refer To 8 - Electrical/Electronic Control Modules/Powertrain Control Module - Standard Procedure PCM/ECM Programming. 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.

2. Type the necessary information on the "Authorized Modification Label" p/n 04275086AB and attach it near the VECI label.

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.