Jeep Wrangler 2014 — technical service bulletin
Bulletin 18-003-14 · NHTSA communication 10136926 · issued Jan 30, 2014
Technical service bulletin
communication type
Power Train
component
2014
model years
1
vehicle entries
Official summary
Flash: Unable to Program Keys After Wireless Control Module Replacement and/or Malfunction Indicator Lamp (MIL) Illumination This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Technicians may find that the original vehicle keys/FOBIKs do not function properly following replacement of the Wireless Control Module(WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information.A small number of customers may also experience a Malfunction Ind
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.