Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the...
Jeep technical service bulletin 21-009-17 REV. E for 2017 Jeep Grand Cherokee and 2017 Dodge Durango.
- Bulletin number
- 21-009-17 REV. E
- Component
- Power train
- Summary
- Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) withthe latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find the following Diagnostic Trouble Codes (DTC) set in the PCM memory:U0401-00 - Implausible Data Received From ECM/PCM (Sales Code ERC only). In addition some customers may experience one or more of the following condition:Poor shift quality on coast-down shifts (bumps) (Sales Code EZH only). During an engine limp mode condition, the transmission remains in a fixedgear. The following software enhancements are also available:Start Stop quality enhancement (WK with Sales Code ERC only). Transmission shift quality enhancement.
Owners of these vehicles have filed 111 complaints in the transmission category.
Vehicles covered
- Jeep Grand Cherokee 2017 2017
- Dodge Durango 2017 2017
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