Journey AWD V6-3.5L (2009)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - MIL ON/DTC's P0420/P0430 Set
NUMBER: 18-026-09
GROUP: Vehicle Performance
DATE: September 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 10.01 OR HIGHER TO PERFORM THIS PROCEDURE.
StarMOBILE DESKTOP CLIENT or StarSCAN MAY ALSO BE USED TO PERFORM THIS PROCEDURE.
SUBJECT:
Flash: MIL Illumination For P0420 And/Or P0430
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2009
(JC)
Journey
NOTE:
This bulletin applies to JC vehicles equipped with a 3.5L engine and (Sales code EGF) and a 62TE automatic transmission (sales code DG2).
SYMPTOM/CONDITION:
The customers may experience a MIL illumination. Upon further investigation the Technician may find that P0420 - Catalyst Efficiency (Bank 1) and/or
P0430 - Catalyst Efficiency (Bank2) has been set.
DIAGNOSIS:
Using a Scan Tool (wiTECH(TM) or StarSCAN(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems
are functioning as designed. If DTC's are present other then the ones listed above record them on the repair order and repair as necessary before
proceeding further with this bulletin.
If the above condition is present, perform the Repair Procedure.
PARTS REQUIRED:
REPAIR PROCEDURE:
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.
2. Type the necessary information on the "Authorized Modification Label" and attach it near the VECI label.
POLICY:
