Jeep Wrangler 2014 — technical service bulletin
Bulletin 1802914 · NHTSA communication 10221024 · issued Sep 18, 2014
Technical service bulletin
communication type
Electrical System
component
2014
model years
1
vehicle entries
Official summary
Flash: MIL Illumination. 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 Codes have been set: P2097- Downstream Fuel Trim System 1 Rich. P2099- Downstream Fuel Trim System 2 Rich. P0830- Clutch Pedal Switch ?A? Circuit. (Vehicles with manual transmission only) 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.