Flash: Transmission Shift And Drivability Enhancements
Jeep technical service bulletin 21-005-15 REVA for 2014 Jeep Grand Cherokee.
- Bulletin number
- 21-005-15 REVA
- Component
- Electrical system
- Summary
- Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) and Transmission Control Module (TCM) with new software. NOTE: Both the PCM and TCM must be up to date for these changes to be effective.
Owners of these vehicles have filed 486 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2014 2014
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