Engine, A/T Controls - A/T Upshift/Downshift Issues
NUMBER: 21-001-09GROUP: Transmission
DATE: January 10, 2009
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 9.04 OR HIGHER.
StarMOBILE DESKTOP CLIENT -OR- StarMOBILE STANDALONE MODE MAY ALSO BE USED TO PERFORM THE FLASH.
SUBJECT:
Flash: 6 Speed Automatic Transmission Shift Improvements
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM).
MODELS:
2007 - 2008 (JS) Sebring/Avenger/Sebring Convertible
NOTE:
This Bulletin applies to models equipped with a 3.5L engine & 62TE automatic transmission (Sales Code EGF with DG2).
SYMPTOM/CONDITION:
Some customers may experience transmission shift or performance concerns as follows:
i. During a rapid coast down while braking a bump may be felt just before a stop (2007 model year)
ii. 3 - 2 kickdown bump or harshness (2007 model year)
iii. 2 - 3 upshift bump or harshness (2007 and 2008 model years)
iv. 4 - 3 - 4 change mind shift bump (2007 model year)
v. Improved shift quality/driveability through all gear transactions (2007 and 2008 model years)
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:
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.
After PCM reprogramming, the following must be performed:
a. Clear the Variable Line Pressure (VLP) Counters, found in the StarSCAN� Misc Function Menu. VLP Clear Counters must be completed on all models with a 62TE transmission.
b. Clear any DTC's that may have been set in other modules due to reprogramming.
c. Perform the Quick Learn function, found in the StarSCAN(R) Misc Function Menu.
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.