Engine Controls - Idle Vibration With Throttle Closed
NUMBER: 18-017-08 REV. AGROUP: Vehicle Performance
DATE: September 11, 2008
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN, 18-017-08 DATED APRIL 23, 2008, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE THE ADDITION OF 2007 MODEL YEAR.
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 9.02 OR HIGHER.
StarMOBILE DESKTOP CLIENT -OR- StarMOBILE STANDALONE MODE MAY ALSO BE USED TO PERFORM THE FLASH.
SUBJECT:
Flash: Idle Vibration From a Stop With Closed Throttle
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM).
NOTE:
Vehicles equipped with a CVT transmission must have the transmission control module (TCM) checked for the latest software level whenever the PCM software is updated. If newer TCM software is available, it must be installed. Failure to maintain software coordination may result in MIL illumination or driveability concerns.
MODELS:
**2007** - 2008 (MK49) Compass
**2007** - 2008 (MK74) Patriot
**2007** - 2008 (PM) Caliber
NOTE:
This Bulletin applies to **2007 and** 2008 models equipped with a 2.0L or 2.4L engine & automatic CVT transmission (Sales Code ECN or ED3 with DAV or DAW) built prior to April 2, 2008 (MDH 0402XX).
SYMPTOM/CONDITION:
Some customers may experience an idle vibration. The condition may occur under the following parameters:
^ Vehicle in Drive.
^ No throttle input (foot "Off" accelerator pedal).
^ Foot "Off" Brake.
^ Vehicle speed between 0 and 5 miles per hour.
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 are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
If the above symptom/condition is experienced or can be verified by duplicating the conditions described above, perform the Repair Procedure.
PARTS REQUIRED:
SPECIAL TOOLS / EQUIPMENT REQUIRED:
REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE:
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.