JEEP

21-043-15

2015-06-19 · NHTSA 10150612

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 Shift and Diagnostic Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination on vehicles equipped with a 948TE 9 speed automatic transmission (sales code DFH or DFJ). Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the TCM memory. ? P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance ? P072F-00 - Stuck in Gear 4 ? P076F-00 - Gear 7 shift incorrect ratio ? P0810-00 - Clutch position control error ? P1CC9-00 - Unable to engage gear ? P0734-00 - Gear 4 shift incorrect ratio ? P061B-00 - Internal control module torque calculation performance In addition, the following transmission shift and performance improvements are included in this software release. ? 3-2 downshift delay while driving on inclines. ? Garage shifts (Park to Reverse or Drive). ? Overall coastdown shift quality. ? Throttle response and performance feel. ? Management and prevention of busy shifting. ? Lift foot/change mind shift quality.

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.