Charger V6-2.7L VIN T (2007)
Torque Converter: All Technical Service Bulletins
Engine, A/T Controls - Torque Converter Shuddering
NUMBER: 21-002-07 REV. E
GROUP: Transmission
DATE: December 21, 2007
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 21-002-07 REV. D, DATED NOVEMBER 8, 2007, WHICH SHOULD BE
REMOVED FROM YOUR FILES. THIS REVISION INCLUDES THE REMOVAL OF KJ AND KA MODELS. THE KJ MODEL WILL BE
ADDRESSED IN A SERVICE BULLETIN 21-020-07 AND KA MODELS WILL BE ADDRESSED IN SERVICE BULLETIN 21-021-07.
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 8.03 OR HIGHER.
StarMOBILE DESKTOP CLIENT MAY ALSO BE USED TO PERFORM THIS PROCEDURE.
SUBJECT:
Flash: Torque Converter Shudder
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software and replacing the torque converter as required.
MODELS:
2007
(DR)
Ram 1500
2007
(HB)
Durango
2007
(JK)
Wrangler
2007
(JS)
Sebring
2007
(LE)
300C/300 Touring (International Markets)
2007
(LX)
300/Magnum/Charger
2007
(L2)
300 (China)
2007
(ND)
Dakota
NOTE:
This bulletin applies to DR/HB/JK/JS/LE/LX models built with a 41TE, 42RLE, or 62TE automatic transmission (Sales Codes DFF, DGV, or DG2).
built on or before December 15, 2006 (MDH1215XX) and ND models with 42RLE built on or before January 2, 2007 (MDH0102XX).
NOTE:
**This bulletin DOES NOT apply to JS models with a 2.4L engine.**
SYMPTOM/CONDITION:
The vehicle operator may experience one or more of the following symptoms:
1.
**Transmission Shudder - (42RLE), (41TE JS), (62TE J5)**
a.
This condition can only occur after the vehicle has been driven and the torque convertor is past the break in period. Torque Converter break
in can be confirmed with the StarSCAN(R).
b.
If experienced, the shudder may occur when the transmission temperature is between 38° C and 54° (100° F and 130° F) during steady state
driving with the torque convertor in partial lock (EMCC) operation. The shudder feels like the vehicle is being driven over rumble strips.
2.
Torque Converter Pull In Bump - (41TE/62TE JS)
a.
This condition can occur due to abrupt torque converter clutch engagement during EMCC initialization.
