Talon FWD L4-1997cc 2.0L DOHC Turbo VIN F SMFI (1998)
Technical Service Bulletin # 21-03-98
Date: 980213
A/T - MIL ON/Delayed Shifts/Shudder
NO: 21-03-98
GROUP: Transmission
DATE: Feb. 13, 1998
SUBJECT:
Transaxle Desensitization To Intermittent Faults/Driveability Improvements
MODELS:
1998 (FJ) Avenger/Sebring/Talon
1998 (GS) Chrysler Voyager (European Market)
1998 (JA) Cirrus/Stratus/Breeze
1998 (JX) Sebring Convertible
1998 (LH) Concorde/Intrepid
1998 (NS) Town & Country/Caravan/Voyager
NOTE:
THIS INFORMATION APPLIES TO VEHICLES BUILT PRIOR TO DEC. 13, 1997 (MDH 1213XX) WITH A 41TE/AE OR 42LE
TRANSAXLE.
DISCUSSION:
New software has been released to address the following:
All models:
Be more tolerant of intermittent conditions that may cause MIL illumination, limp-in or DTC generation. Following is a list of symptom/conditions made
more fault tolerant:
1.
Corrects an error in extreme cold temperatures -27 C (-16 F) degrees or below. This allowed the transaxle to switch to the cold schedule too
quickly. This may cause MIL illumination and limp-in conditions with associated DTC's due to slower than expected response from the fluid.
2.
Reduce excessively long (more than 3 second) 3-2 shifts as the vehicle is coasting or braking to a stop with 4 C (40 F) degree or below fluid
temperature. The driver may experience slight engine flare accelerating from a stop and/or sluggish acceleration due to the transaxle still being in
2nd gear instead of 1st.
On FJ/GS/JA/JX/NS models:
1.
Improves the shift schedule while towing in hilly conditions. The driver may describe this condition as being in the wrong gear or delayed upshifts
after cresting a hill.
On NS/GS models:
1.
Reduces a shudder condition that may be experienced during a light to moderate throttle 1-2 upshift with -1 C (30 F) degree fluid temperature or
higher. This condition can be experienced more frequently as the fluid becomes hotter.
2.
Reduces a shudder condition that may be experienced during a 2-3 upshift just after a 3-2 or 4-2 kick-down.
On FJ 2.0L (non turbo) models:
1.
Reduces a closed or light throttle engine sag experienced between 9 and 27 mph with 7 C (45 F) degree or below fluid temperature.
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Diagnostic Scan Tool (DRB III) with the appropriate Diagnostic Procedures Manual, verify all
engine/transmission systems are functioning as designed. If unrelated Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and
repair as necessary before proceeding further with this bulletin. If DTC's that relate to the above conditions are present or if the customer describes any
of the conditions listed above, perform the Repair Procedure.
NOTE:
WHENEVER A TRANSMISSION CONTROL MODULE (TCM) IS REPLACED DUE TO FAILURE, THE SOFTWARE OF THE
