Patriot 4WD L4-2.4L VIN W (2007)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - Idle Vibration With Throttle Closed
NUMBER: 18-017-08 REV. A
GROUP: 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.
