Jeep Renegade 2015 — technical service bulletin
Bulletin 21-030-15 REV-A · NHTSA communication 10148655 · issued Sep 2, 2015
Technical service bulletin
communication type
Power Train
component
2015
model years
1
vehicle entries
Official summary
Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. In addition to correcting the DTCs listed below this software update includes the following enhancements. ? Garage Shift Improvements (Shifting from Park or Neutral to Drive or Reverse). ? 1-2 Shift Quality Improvements. ? Improved Engine Performance under certain operating conditions (High Altitude, High Ambient Temperatures and High Humidity). ? Hill Shift Pattern Optimization. ? Improved Redline Shift Performance. ? Improved Up
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.