JEEP

21-051-15

2015-08-21 · NHTSA 10148983

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: Improved Transmission Shift Quality This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination or describe one or more of the following conditions. Upon further investigation, a technician may find the listed Diagnostic Trouble Code (DTC) stored in the TCM memory. ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. ? When driving on grades the 3-2 downshift is hard to achieve or not available. ? Poor shift quality during a 5-3 coast down.

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.