Avenger V6-2.7L (2008)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - Surge On Deceleration/A/T Gear Hunting
NUMBER: 21-003-09
GROUP: Transmission
DATE: April 3, 2009
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 9.05 OR HIGHER.
StarMOBILE DESKTOP CLIENT -OR- StarMOBILE STANDALONE MODE MAY ALSO BE USED TO PERFORM THE FLASH.
SUBJECT:
Flash: Decel Hunting/Bump/Oscillation Feeling And Automatic Transmission Shift Improvements
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM).
MODELS:
2007 - 2009
(JS)
Sebring/Avenger/Sebring Convertible
NOTE:
This Bulletin applies to models equipped with a 2.7L engine & 41TE automatic transmission (Sales Code EER with DFF) built before February 16,
2009 (MDH 0216XX).
SYMPTOM/CONDITION:
Some customers may experience a conditions that could be described as:
i.
A surge feeling when they are coasting to a stop with their foot off the accelerator
ii. The transmission seems to be hunting for gear when they are coasting to a stop with their foot off the accelerator
iii. Oscillation feeling when they are coasting to a stop with their foot off the accelerator
These symptoms occur when the vehicle is at full lockup and the PCM detects a closed throttle. To correct this condition full lockup has been turned off
when vehicle is in a decel mode.
The following Shift Improvements were also incorporated for the 2007 and 2008 model year vehicles:
i.
3 - 2 - 3 change mind shift bump
ii. 1 - 2 upshift Improvement
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, perform the Repair Procedure.
PARTS REQUIRED:
