Jeep Cherokee 2015 — technical service bulletin
Bulletin 18-085-17 · NHTSA communication 10121801 · issued Sep 19, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015
model years
1
vehicle entries
Official summary
Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following DTCs set in the PCM memory:P1D83 - Implausible Engine Oil Temperature Signal Received (Software has been updated to better address this DTC). U1504 - Implausible Message Data Length Received From Steering Angle Sensor. U1424 - Implausible Engine Torque Signal Received. P0456 - EV
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.