Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the...
Jeep technical service bulletin 21-047-17 for 2018 Jeep Grand Cherokee and 2018 Dodge Durango.
- Bulletin number
- 21-047-17
- Component
- Power train
- Summary
- Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience the following: A ?bump? or ?jerk? during a park to drive or park to reverse garage shift immediately after starting the engine. The above symptom/condition can only be duplicated at startup when vehicle has been shut down for at least 5 minutes. Poor shift quality or ?bump? experienced during or immediatelyafter Engine Stop/Start (ESS) restart.
Owners of these vehicles have filed 88 complaints in the transmission category.
Vehicles covered
- Jeep Grand Cherokee 2018 2018
- Dodge Durango 2018 2018
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