April 22, 2014 Service bulletin

Flash: MIL Illumination P1239- Engine Oil Temperature Too Low. Includes Powertrain System...

Jeep technical service bulletin 18-031-14 for 2014 Jeep Cherokee.

Bulletin number: 18-031-14
Component: Engine and engine cooling
Summary: Flash: MIL Illumination P1239- Engine Oil Temperature Too Low. Includes Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code has been set: ? P1239 - Engine Oil Temperature Too Low The following system improvements have also been included in this software release: ? Corrected a generic scan tool display issue regarding Mode 6 data accuracy

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