Engine Controls - MIL ON, DTC P0108 Stored
NUMBER: 18-008-13GROUP: Vehicle Performance
DATE: February 21, 2013
**THIS SERVICE BULLETIN IS ALSO BEING RELEASED AS RAPID RESPONSE
TRANSMITTAL (RRT) 13-011. ALL APPLICABLE SOLD AND UN-SOLD RRT VIN's
HAVE BEEN LOADED. TO VERIFY THAT THIS RRT SERVICE ACTION IS
APPLICABLE TO THE VEHICLE, USE VIP OR PERFORM A VIN SEARCH IN
TECHCONNECT. ALL REPAIRS ARE REIMBURSABLE WITHIN THE PROVISIONS OF
WARRANTY.**
THIS BULLETIN SUPERSEDES SERVICE BULLETIN 18-024-12 REV. A, DATED
NOVEMBER 03, 2012, WHICH SHOULD BE REMOVED FROM YOUR FILES. THIS
BULLETIN IS NOW BEING RELEASED AS A RAPID RESPONSE TRANSMITTAL. ALL
REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS**.
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 13.01 OR HIGHER TO
PERFORM THIS PROCEDURE.
SUBJECT:
Flash: MIL Illumination P0108 - Manifold Absolute Pressure Sensor Circuit High And Transmission Shift Improvements
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2012 - 2013 (JC) Journey
NOTE:
This bulletin applies to vehicle equipped with a 3.6L or 2.4L engine (sales code ERB or ED3) and a 6 speed automatic transmission (sales code DG2) built before October 23, 2012 (MDH 1023XX).
SYMPTOM/CONDITION:
The customer may experience any of the following:
^ Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that P0108 - Manifold Absolute Pressure Sensor Circuit High has been set active or stored3.6L engine.
NOTE:
MIL Illumination for P0108 - Manifold Absolute Pressure Sensor Circuit High affects only 2012 model year vehicles equipped with a 3.6L engine (sales code ERB).
^ 1 - 2 upshift clunk or bump2.4L & 3.6L engines
^ 3 - 4 harsh upshift at closed throttle after a WOT stab in 1st or 2nd gear.2.4L & 3.6L engines
^ 4 - 5 upshift clunk or bump2.4L & 3.6L engines
^ 5 - 6 upshift clunk or bump3.6L engine
^ 6 - 5 downshift clunk or bump3.6L engine
^ 6 - 4 downshift clunk or bump3.6L engine
^ RPM Fluctuating or Jerking feeling while operating in cruise control. Condition is more noticeable when the vehicle is going up and down grades.2.4L & 3.6L engines
^ 1 - 2 harsh upshift going down a grade2.4L engine
^ 3 - 2 downshift clunk or bump2.4L engine
^ 4 - 3 downshift clunk or bump2.4L engine
^ Improves the consistency of how shifts are controlled during upshifts "torque management".
^ Delayed downshifts 3.6L engine
Updating the software will correct the conditions listed above.
DIAGNOSIS:
Using a Scan Tool (wiTECH) 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 a customers VIN is listed in VIP or your RRT VIN list, perform the repair. For all other customers that describe the symptom/condition or if the technician finds the listed DTCs, perform the Repair Procedure.**
PARTS REQUIRED:
REPAIR PROCEDURE:
NOTE:
Install a battery charger to ensure battery voltage does not drop below 13.2 volts. Do not allow the charging voltage to climb above 13.5 volts during the flash process.
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.
2. After PCM reprogramming, the following must be performed: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.
3. Type the necessary information on the "Authorized Modification Label" 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.