Engine Controls/Steering - Power Steering Whine
NUMBER: 19-001-08GROUP: Steering
DATE: April 3, 2008
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 8.04 OR HIGHER.
StarMOBILE DESKTOP CLIENT -OR- StarMOBILE STANDALONE MODE MAY ALSO BE USED TO PERFORM THE FLASH.
SUBJECT:
Flash: Power Steering Whine Sound / Coordinated Hardware Change
OVERVIEW:
This bulletin involves replacing the Power Steering Pump with a revised part and selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.
MODELS:
2009 (JC) Journey
NOTE:
This bulletin applies to models equipped with a 3.5L engine (Sales Codes EGF) built prior to February 29, 2008 (MDH0229XX).
SYMPTOM/CONDITION:
Some customers may hear a high pitched whine sound between 1200 and 2000 engine RPM. The whine may be most noticeable when accelerating from a stop.
DIAGNOSIS:
Start the engine and raise the engine speed to between 1200 and 2000 RPM. With the RPM raised, listen for a high pitched whine sound. If a high pitched whine is heard and determined to be coming from the power steering system, perform the Repair Procedure.
NOTE:
Do not move the steering wheel during the test. The whine sound is heard with no load on the power steering pump.
PARTS REQUIRED:
NOTE:
If a power steering pump is replaced for other reasons on any vehicle built prior to February 29, 2008. The PCM will require update to take full advantage of the power steering pump change and provide the appropriate Idle RPM assist during low speed parking lot maneuvers. Failure to update the software may result in inappropriate low speed power steering assist feel.
SPECIAL TOOLS / EQUIPMENT REQUIRED:
REPAIR PROCEDURE - POWER STEERING PUMP REPLACEMENT:
1. Using the procedures outlined in DealerCONNECT > TechCONNECT, replace the power steering pump with pn 05151835AB..
REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE:
NOTE:
The software update must be made to take full advantage of the power steering pump change and provide the appropriate idle RPM assist during low speed parking lot maneuvers.
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.
2. 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.