NEW SOFTWARE HAS BEEN RELEASED FOR 3.8L/4.0L, MANY ADDITIONAL
SYMPTOMS AND IS APPLICABLE TO ALL OF THE 2008 MODEL YEAR.
THE StarSCAN® FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM
StarSCAN® SOFTWARE LEVEL MUST BE AT RELEASE 9.03 OR HIGHER.
StarMOBILE DESKTOP CLIENT -OR- StarMOBILE STANDALONE MODE MAY ALSO
BE USED TO PERFORM THE FLASH.
Flash: 6 Speed Automatic Transmission Shift Improvements
This bulletin involves selectively erasing and reprogramming the Powertrain Control
2008 (RT) Caravan/Town & Country (Includes International Models)
NOTE: This Bulletin applies to models equipped with a 3.8L/4.0L engine & 62TE
automatic transmission (Sales Code EGL/EGQ with DG2).
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
ii. 3 - 2 kickdown bump or harshness
iii. 2 - 3 upshift bump or harshness
iv. 4 - 3 - 4 change mind shift bump
v. Improved shift quality/driveability through all gear transactions
NUMBER: 21-017-08 REV. A
DATE: December 16, 2008
Using a Scan Tool (StarSCAN®) 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
Qty. Part No. Description
1 04275086AB Label, Authorized Modification
SPECIAL TOOLS / EQUIPMENT REQUIRED:
NPN Battery Charger
CH9401 StarSCAN® Tool
CH9404D StarSCAN® Vehicle Cable
CH9409 StarSCAN® Documentation Kit
CH9410 StarSCAN® Ethernet Cable, 12 ft.
CH9412 StarSCAN® Software Update Device Kit
TechCONNECT PC or equivalent
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
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® Misc Function Menu.
2. Type the necessary information on the “Authorized Modification Label” and attach it
near the VECI label.
21-017-08 REV. A -2-
Reimbursable within the provisions of the warranty.
Labor Operation No: Description Amount
18-19-06-C8 Module, Engine Controller - Reprogram
ZZ Service Action
-3- 21-017-08 REV. A