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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.

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By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
18-029-142022-08-22. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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 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.
90030812022-08-22. Service bulletin. ELECTRICAL SYSTEM. Dielectric Grease This product is no longer approved for use on ignition coil and spark plug boots. Current plug boot material(silicone) is not compatible with this grease and can cause deterioration over time.
21-023-142022-08-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Shift Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. The following Transmission Control Module (TCM) calibration improvements are available for vehicles equipped with WA580 Automatic Transmission (Sales Code DGJ).3.6L Wrangler Transmission shifting does not meet customers expectation while towing a loaded trailer in high ambients (>32°C/90°F). Poor performance and/or poor powertrain response when trying to accelerate from speeds >48 kph (30 mph) - Japan/Taiwan/China vehicles only. Rubicon Only.2.8L Wrangler Transmission shifts inconsistently (gear hunting) when driving up/down steep hills or when towing a trailer. Delayed Drive to Reverse shift engagement when the transfer case is in Low Range (4LO) Transmission shifting while accelerating from a stop does not meet customers expectation. Poor vehicle performance in Drive Poor vehicle performance in Auto Stick Mode. Rubicon Only.
18-034-14 REV. A2022-08-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. P0520- Engine Oil Pressure Sensor Circuit This bulletin involves replacing the oil pressure sensor with a revised part. 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 Code (DTC) has been set: P0520 - Engine Oil Pressure Sensor Circuit
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.
90036992022-08-08. Service bulletin. ELECTRICAL SYSTEM:SEAT HEATER:WIRING HARNESS. Heated Seat Elements; Cushion and Back DEALERCONNECT HEATED ELEMENT RESISTANCE INFO OUT IS OF SPEC. Prior to ordering any of the parts (55057300A$, 55057293A$, 55057301A$, 55057294A$) Please contact Micah Straub at cell phone# 248-613-2478 for further instructions. Leave a voice mail and your call will be returned promptly. 5.1 to 7.8 is the correct resistance value although ambient temperature will affect this value. Please call for detailed information. If no return call in 15 minutes, proceed with repair.
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.
90044732022-06-27. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. complete wiring harness Before replacing this harness, please check for an available connector repair kit at the following: http://connectors.dcctools.com/home.htm;jsessionid=C6A3F1B696B030953878BF34FE86A8FE If a connector repair kit is not available on the website contact FCA Redacted Content to see if an alternative repair kit is available for your application prior to ordering the harness. If no response in 15 minutes, proceed with repair. Please email pictures of harness defects to FCA Redacted Content
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
S15080004802020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Speed Control Operates Intermittently
18-053-15 REV A2019-05-20. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING. Malfunction Indicator Lamp (MIL) Illumination P0344 - Camshaft Position Sensor Intermittent This bulletin involves inspection and repair of the engine wire harness and replacing the harness retainer tower clip. A small number of customers may experience a MIL illumination. Upon further investigation the technician may find Diagnostic Trouble Code (DTC) P0344 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 1 set in the Powertrain Control Module (PCM) memory.
08-115-152019-05-20. Service bulletin. ELECTRICAL SYSTEM. Hands Free Feature Inoperative This bulletin involves updating the Hands Free Module (HFM) software. The customer may notice that the hands free feature (Bluetooth) does not work. On further inspection Diagnostic Trouble Code (DTC), U0197 - Lost Communication With Hands Free Phone Module may be found.
21-026-152018-12-10. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience one or more of the following transmission related concerns. ? Less than desired shift response when towing or driving up steep hills in high ambient temperatures. ? Delayed shift when driving in 4WD Low. ? Vibration or resonance in the cabin on acceleration from a cruising speed.
Z5091195A$2018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. RES / RHA / REB radio that supports Bluetooth and Hands-Free For issues with Bluetooth, Hands-Free Calling, and/or Voice Commands, DO NOT replace the radio. Diagnose the Hands-Free Module system (also called the Telematics Module). The Telematics Module (and associated components) is the system responsible for these features. A power cycle may be required for the hands-free module for proper diagnosis.~ Please reference; 8T - Navigation/Telecommunication Diagnosis and Testing (DIAGNOSIS AND TESTING - HANDS FREE PHONE)
18-071-142018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. 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 less than desired shift points during Wide Open Throttle (WOT) operation. This PCM software has been enhanced to provide optimal shift points during these operating conditions.
18-029-14 REV. A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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.
08-068-142018-06-11. Service bulletin. ELECTRICAL SYSTEM. Flash: No Start, No Crank, B1A25 Invalid Key B1A29 Skim Basestation MIismatch This bulletin involves reprogramming the Wireless Control Module (WCM). The customer may experience a no crank, no start. Upon further diagnosis active DTCs may be found, B1A25 Invalid Key B1A29 Skim Basestation MIismatch.
90025032018-06-11. Service bulletin. EQUIPMENT; POWER TRAIN; BACK OVER PREVENTION; VISIBILITY; SUSPENSION; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Part Description: RHR Radio Issue Description: Issue 1: While performing RHR radio reflash (software update), on rare occasions, the flash can fail to properly update the radio resulting in the radio running in Emergency IFS mode. This error condition can occur due to interrupting the software update, background radio operations interfering with the reflash process, etc. The radio will reboot, but with limited functionality (examples may include but are not limited to: NAV, Voice Recognition, Bluetooth, or AUX jack are inop, no available space shown on HDD, etc.). The radio can still be properly updated by simply reinserting the software update disc and performing the reflash procedure again. To assist in the verification that the radio is running Emergency IFS perform the following:~ 1. Power on radio~2. Press MENU H/K~3. Press System Setup S/K~4. Press Manage HDD S/K~5. Press Display Available Space on HDD S/K~6. When running Emergency IFS, all items under Used, Available, and Capacity report as dashes~ Issue 2: If you are having troubles connecting a phone or a MP3 player, try removing the battery on the device and then going through the pairing/connection procedure again. If you cannot remove the battery on the device, perform a reboot. Each manufacturer has a different series of buttons to hold down to perform a reboot. If the problem still persists, try the device on another like vehicle with the same radio. If you are having the same connection issues on another like vehicle, the device may be faulty or it may not be compatible with the RHR radio. Go to www.chrysler.com/hostb/crossbrand/owners/en and click on ?Bluetooth Phone Compatibility Test Results? link for a list of phones that are compatible. For MP3 players and media storage devices, only .wma, .aac, .mp3, .sacd, .jpeg & .jpg files are supported. Remove all other file types and reevaluate the concern. ~ Issue 3: If upgrading a vehicle from a low line radio that has factory installed UConnect
08-024-142018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RHW RHP Radio Software Enhancements This bulletin involves upgrading the software on the RHW or RHP Radio. The customer may experience one or more of the following conditions. Navigation voice prompt is now announced near maneuvers such as exit ramps. Radio freeze when playing large number of .M4A or .WMA files,and recovers with ignition cycle. Battery signal strength display is not displayed into the radio screen (with iPhone 5). Traffic Announcement and Voice Recognition share the same volume control. Traffic Announcement volume drops after phone calls. Mismatch in the ?Distance to next turn? between the radio and EVIC displays. German translations are incorrect. Radio reset when copying certain .MP3 files from USB flash drive to the radio. Radio stations info is not correct into the right side of the radio display (radio menu). Radio mute issue in tuner mode. Preset loss during/after AF Switching. Erratic alternate frequency switching. Bluetooth phone muting during European traffic announcement. Enhancements to the loss of preset condition. Lost channel presets, home addresses, address book entries & Travel Link favorites. Not able to change default country and state then route. Unable to load .jpeg files onto hard drive to display on touch screen. Vehicle with Start/Stop feature, the screen will go black when the engine turns off at a stop. (International only). Cancel key inoperative after pressing the international button. iPhone 4 dial not possible after second call. Devices button disabled in VES menu. Unable to route to a recent route after a map update. Duplicate phone numbers in popup after pressing the international button. During active call and on hold, DIAL button should be displayed (not ?TONE? button). International button not visible. Point of Interest (POI) Search enhancements. Devices button wrongly labeled as DVD using the remote DVD player. iPod, track selection enhancements.
08-043-142018-05-21. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Cruise Control System Slow To Respond To Cruise Control Switch Inputs This bulletin involves upgrading the software in the Powertrain Control Module (PCM). A customer may experience, slow response to cruise control switch activations.
08-029-142018-05-21. Service bulletin. ELECTRICAL SYSTEM. Flash: Erroneous Message Displayed In The Odometer Or Trip Odometer Display Area While In the Messaging Mode This Bulletin involves reconfiguring the vehicle for proper messaging display. The customer may experience an erroneous message in the odometer/trip odometer display area while in the message mode. The warning message will be displayed for the entire ignition key cycle.
18-003-142018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. 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 Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0606 - Internal Control ProcessorIf the WCM had been replaced prior to this software update, the original keys/FOBIKs will need to be replaced.
68105583A$2016-09-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. "PENTASTAR OIL FILTER ADAPTER BEFORE REPLACING THIS PART, PLEASE CALL ANY ONE OF THE FOLLOWING PEOPLE. ENGINEERING IS SEEKING INFORMATION REGARDING THIS PART.~ DYE MUST BE USED TO DETERMINE WHERE THE LEAK IS COMING FROM BEFORE REPLACING. ALSO PLEASE CHECK THE RECENTLY UPDATED SERVICE BULLETIN NUMBER 09-008-15. ~ FIRST: NICK MORAND CELL (248) 410-5078 - NICK.MORAND@FCAGROUP.COM SECOND: BOB JACKSON CELL (248) 944-0466 - BOB.JACKSON@FCAGROUP.COM THIRD: JOE LOVELL CELL (734 309-6467 - JOE.LOVELL@FCAGROUP.COM IF A RESPONSE IS NOT RECEIVED WITHIN 15 MINS, THEN PROCEED WITH THE NECESSARY REPAIR."
24-010-142016-05-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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