JEEP

21-001-16 REV. C

2016-05-10 · NHTSA 10141284, 10181484

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) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: · P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: · 5-4 coast down transmission shift quality enhancement. · Less than desired low speed drivability and response to accelerator pedal input. · Less than desired transmission shift quality. · Transmission is slow to upshift after releasing the accelerator pedal.

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.