Flash: 8HP70 SRT Transmission Shift Enhancements
Jeep technical service bulletin 21-038-14 for 2015 Jeep Grand Cherokee.
- Bulletin number
- 21-038-14
- Component
- Power train
- Summary
- Flash: 8HP70 SRT Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience one of more of the following conditions. Harsh or inconsistent upshift that happens intermittently. Harsh or inconsistent downshift that happens intermittently while coasting or during passing maneuvers. Intermittent delayed shift from 6th gear during aggressive high speed driving.
Owners of these vehicles have filed 353 complaints in the transmission category.
Vehicles covered
- Jeep Grand Cherokee 2015 2015
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