Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable
Jeep technical service bulletin 21-034-14 for 2015 Jeep Cherokee and 2015 Chrysler 200.
- Bulletin number
- 21-034-14
- Component
- Power train
- Summary
- Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable. This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following TCM calibration update is being released to enable the new wiTECH based ?Transmission Quick Learn? procedure to be performed anytime the transmission adaptation memory cells are cleared or when addressing customer concerns of poor shift quality. It is also being released to improve transmission downshift response time during normal driving.
Owners of these vehicles have filed 1,702 complaints in the transmission category.
Vehicles covered
- Jeep Cherokee 2015 2015
- Chrysler 200 2015 2015
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