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Service bulletins for the 2014 Jeep Wrangler

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

216 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
18029142022-09-26. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT. 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.The following powertrain system improvements/enhancements are also included in this software release: Corrected a generic scan tool display issue regarding Mode 6 data accuracy.Updating the PCM software will correct the conditions listed above.
08-005-17 REV. A2022-08-08. Service bulletin. BACK OVER PREVENTION; STEERING; EXTERIOR LIGHTING; WHEELS; AIR BAGS; LANE DEPARTURE; ELECTRICAL SYSTEM. Clockspring Replacement (X68 Warranty Extension) This bulletin involves diagnosing the clockspring/Steering Angle Sensor (SAS).If the diagnostic tests indicate the clockspring/SAS requires replacement, replace the clockspring, upper and lower steering column shrouds and steering wheel back cover. Some customers may experience the illumination of the airbag warning lamp or traction control indicator lamp. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B1B00 - Driver Airbag Squib 1 Circuit Low. B1B01 - Driver Airbag Squib 1 Circuit High. B1B02 - Driver Airbag Squib 1 Circuit Open. B1B03 - Driver Airbag Squib 1 Circuit Shorted Together. B1B04 - Driver Airbag Squib 2 Circuit Low. B1B05 - Driver Airbag Squib 2 Circuit High. B1B06 - Driver Airbag Squib 2 Circuit Open. B1B07 - Driver Airbag Squib 2 Circuit Shorted Together. C123F - Steering Angle Sensor Comparative Performance. C1219 - Steering Angle Sensor Erratic Performance. C2205 - Steering Angle Sensor Internal. P0579 - Speed Control Multiplexed Switch #1 Performance. P0581 - Speed Control Multiplexed Switch #1 High. P0591 - Speed Control Multiplexed Switch #2 Performance. P0593 - Speed Control Multiplexed Switch #2 High. U1109 - Lost Communication With Lin Steering Wheel Controls.
18-077-152022-08-08. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE. Flash: Diagnostic and System Improvements 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 the following Diagnostic Trouble Code (DTC) set in the PCM memory: ? U0140 - Lost Communication With Body Control Module. Customers may also describe one or more of the following conditions: ? Less than desired shift points during Wide Open Throttle (WOT) operation. ? Perceived misfire under normal acceleration. Software update is also available for customers with vehicles equipped with Manual Transmissions (DEH) to disable the starter protection feature for Rock Crawling.
18-077-152022-07-25. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; STRUCTURE. Flash: Diagnostic and System Improvements 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 the following Diagnostic Trouble Code (DTC) set in the PCM memory: ? U0140 - Lost Communication With Body Control Module. Customers may also describe one or more of the following conditions: ? Less than desired shift points during Wide Open Throttle (WOT) operation. ? Perceived misfire under normal acceleration. Software update is also available for customers with vehicles equipped with Manual Transmissions (DEH) to disable the starter protection feature for Rock Crawling.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.