Jeep Cherokee 2017 — technical service bulletin
Bulletin 1801317 · NHTSA communication 10224933 · issued Oct 11, 2017
Technical service bulletin
communication type
Electrical System
component
2017
model years
1
vehicle entries
Official summary
Flash: Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination or notice the engine being too quick to shut down when coming to astop in Electric Stop Start (ESS) mode. Upon further investigation the technician may find the following DTCs set in the PCM memory:P0556 - Brake Booster Pressure Sensor Circuit Performance. U0428 - Implausible Data Received From Steering Angle Sensor Module. U1504 - Implausible Message Data Length Received
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.