September 2, 2015 Service bulletin

Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the...

Jeep technical service bulletin 21-030-15 REV-A for 2015 Jeep Renegade.

Bulletin number: 21-030-15 REV-A
Component: Power train
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 Upshifts, Downshifts, Coast Down Shifts and Tip Shifts. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or both of the following Diagnostic Trouble Codes (DTCs). ? P0711 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. ? P1DAD - Input Shaft-Output Shaft Direction Correlation. ? P1CC9 - Unable to Engage Gear. ? P1D98 - Incorrect Gear Ratio Clutch B or D Defective. ? U1424 - Implausible Engine Torque Signal Received.

Owners of these vehicles have filed 171 complaints in the transmission category.

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