Flash: Powertrain Diagnostic and System Improvements
Jeep technical service bulletin 18-057-17 for 2017 Jeep Grand Cherokee.
- Bulletin number
- 18-057-17
- Component
- Power train
- Summary
- Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following software enhancements are available:Allow the throttle body to be cycled while the engine is off, for diagnostic purposes. Improved vehicle acceleration at low speed while towing. Allows transmission gear shifting while in limp-in mode, rather than a fixed gear.
Owners of these vehicles have filed 88 complaints in the transmission category.
Vehicles covered
- Jeep Grand Cherokee 2017 2017
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