DODGE, JEEP

21-009-17 REV. E

2017-09-07 · NHTSA 10121783

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

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.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.