Jeep Wrangler 2017 — technical service bulletin
Bulletin 1807117 · NHTSA communication 10224736 · issued Aug 10, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P1239 - Engine Oil Temperature Too Low.
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.