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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
04-001-192019-10-28. Service bulletin. ENGINE. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
08-084-192019-10-28. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Radio and Back-up Camera Enhancements This bulletin involves updating the radio software level to 1848.24. Customers may experience one or more of the following: Green horizontal lines on back up display, in reverse (If this is the customer concern use camera LOP 18-60-02-Y7, on JL vehicles only). Ghost Touch, features, modes and App?s changing, without drivers input. Speaker pop noise when using Bluetooth device. When vehicle is first started the radio will reset and the time display shows 12:00. Audio distortion and volume fluctuation. Blank rear camera image in reverse (If this is the customer concern use camera LOP 18-60-02-Y7) JL only. Audio cutting in and out during memory recall. Ring tone too loud. AM/FM volume fluctuates. While in CarPlay® or AndroidAuto® Google® maps showing wrong location. Phone disconnected after first call. Black screen or White screen with vertical lines. PIN clear and volume locked while KeySense is used. Audio static while in SXM/SAT modes. Echo heard during Bluetooth phone calls. The radio is locked up. The radio remains on after ignition has been turned off. The radio resets. The radio screen turns black. The radio screen shows messages ?Software Update? or ?Reinsert USB Device? and displays that screen in a continuous loop.
90041292019-10-28. Service bulletin. SEATS. FRAME, Front Seat Back For JL and JT vehicles with concern of front seat back appears loose at inboard (closest to center console) side hinge, please call Ajay Sharma at (646) 236-2413 prior to any repairs. If no response in 15 mins,proceed with repairs.
90041162019-10-28. Service bulletin. SEATS. HANDLE AND CABLE, Seat Release If you have a 2 door JL with EZ entry handle that is loose or appears broken follow the procedure below. Mounting bracket has grease present which may have damaged plastic part. Please call Adam Rose (586) 804-4315) for cleaning procedure prior to replacing any parts. If no response in 15 minutes, proceed with repair after thoroughly cleaning grease off metal mounting bracket as follows. Clean metal mounting bracket with brake cleaner sprayed onto shop rag, rub on mounting surface until grease is removed. Do not spray brake cleaner directly onto seat. Replacement plastic part may fail in same way if grease is not removed.
90032202019-10-28. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO [RES] - New and/or Service Exchange For RES radio concerns. Use the wiTECH 2.0 and inspect the radio part number and serial number under the Radio/ECU Details tab. Please verify that the radio part number and/or serial number is not "FFFF". If either field shows "FFFF", please contact Mike Wielgat at 248-576-6696 or Rohan Negandhi at 248-421-9608 If no response in 15 minutes, proceed with repair.
90041122019-10-28. Service bulletin. ELECTRICAL SYSTEM. Idle Related Components For concern of P0507 diagnostic trouble code, please verify the powertrain control module is at the latest software level prior to replacing any components related to P0507 diagnostics.
09-002-19 REV A2019-07-15. Service bulletin. ENGINE. Diesel Low Pressure Exhaust Gas Recirculation (EGR) Valve Cleaning This bulletin involves cleaning the diesel low pressure EGR valve. Vehicles may display a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P045E - EGR -B- Control Stuck Open.
18-006-19 REV B2019-07-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the 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 DTCs have been set:P249E-00 - Closed Loop Reductant Injection Control At Limit - Flow Too High. P045E-00 - EGR -B- Control Stuck Open. P208B - Reductant Pump 1 Control Performance. In addition customers may experience the following:Engine auto-stops during a shift of transfer case into neutral. Reduced oil change intervals. Speed Limiter distance unit type changes from MPH to KPH after key-off. Speed Limiter not enabled following a quick key-off/on sequence. Cruise control set-speed not displayed by cluster until minimum set speed achieved. Increased fan noise. Reduced durability of electric vacuum pumps under heavy stop/go driving conditions. Driveability complaints during an on-road DPF regeneration routine. Previous software releases requested the display of message "Particulate Filter Almost Full Keep The Vehicle Running" and will now request the message "Particulate Filter 100% Full Maintenance Required Contact Assistance". No auto-start after release of brake pedal.
08-048-192019-07-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Splash Screen Displays Incorrect Logo In The Electronic Vehicle Information Center (EVIC) This bulletin involves a vehicle reconfiguration for proper operation of the Instrument Cluster display. The customer may notice the splash screen is incorrectly displaying a Sahara logo in the EVIC when the vehicle is first started and it should be displaying the Overland logo.
18-041-192019-07-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0456 - EVAP System Small Leak(APAC&EMEA with Sales Codes NA1 with NBQ or NB6 Only). P0128 - Thermostat Rationality(APAC&EMEA with Sales Codes NA1 with NBQ or NB6 Only). P050B - Cold Start Ignition Timing Performance(APAC&EMEA with Sales Codes NA1 with NBQ or NB6 Only). Customers may experience: Excessive fan noise when the A/C is on MAX output. Rough idle at engine start up in colder ambient temperatures. Software enhancements include:Electric vacuum pump (EVP) update. Fan noise reduction. Low speed pre ignition (LSPI) update.
90040712019-07-15. Service bulletin. POWER TRAIN. SWITCH, Neutral Safety If you are working on a Manual Transmission and are considering replacing the Neutral Safety Switch for an Auto Start/Stop Issue, Prior to order/replace please first check operation of the SENSOR; Clutch Pedal and SWITCH, Clutch Starter Interlock. If you have any question, contact Jeff Laduke at (810) 422-3099. If no response in 15 minutes, proceed with repair.
90040852019-07-15. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE). SENSOR, Clutch Pedal Engineering is seeking information regarding P083F - Clutch Pedal Sensor A B Correlation Faults. Prior to component(s) replacement: Please Contact the following individuals: Joe Marigold (248) 701-8510 / joe.marigold@fcagroup.com Michael Lai (734) 286-0321 / michael.lai@fcagroup.com If no response in 15 minutes, proceed with repair
90040842019-07-15. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. ARMREST, Console If you are replacing a center console armrest for a latch issue, please note that the latch and latch cover are serviceable components. Please only replace the following part numbers for this issue: Latch: 68470797A$ Cover: 68470798A$ Failure to follow this could result in a chargeback
Lever 3000 Load2019-04-15. Service bulletin. SEATS. Common portion of a presentation provided to mutiple OEM customers concerning a potential issue and investigation involving a seat adjustment recliner mechanism.
90036962018-06-11. Service bulletin. STRUCTURE:BODY:DOOR. Door Hinge Assembly Side door hinge noisy. Only replace the door hinge with the integral check device. Do not replace the simple hinge if it is not damaged it is not the source of the noise. Replacing it unnecessary and is an over-repair.
90031092018-06-04. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. Washer Fluid Level Sensor Prior to replacing this part due to "Low Washer Fluid" tell tale light on the dash and the washer fluid bottle is full, please perform this inspection: Check if float sensor is rotated off location from the bottle anti-rotation features that surround the SENSOR. Check to determine if the issue has been resolved. Continue with repair if necessary. Please contact Chris Koch at cell (248) 248-622-6417 if you have questions or need additional information.

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