# 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 bulletins from NHTSA, as of 2026-10-19.

- [08\-363\-26](/bulletins/11038523.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. Flash: Drivetrain Control Module \(DTCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● C147B\-92 \- Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster \(IPC\). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.
- [08\-363\-26](/bulletins/11038486.md), 2026-10-16, Service bulletin: ELECTRICAL SYSTEM. Flash: Drivetrain Control Module \(DTCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● C147B\-92 \- Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster \(IPC\). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.
- [S2621000004](/bulletins/11038329.md), 2026-10-07, Service bulletin: POWER TRAIN. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines \(850RE Transmission Only\)
- [9100900](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [9100363 Rev 3](/bulletins/11036762.md), 2026-09-03, Service bulletin: ENGINE. Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for: Noise/Rattle: Inspect heat shield fasteners for looseness and check the wastegate actuator/linkage for binding. The actuator kit is serviced separately. Oil Leak: Inspect the turbo oil feed O\-ring area for leaks. O\-ring is serviced separately.
- [114045](/bulletins/11036282.md), 2026-08-19, Warranty extension: STRUCTURE:BODY. ID\-25\-11 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging \(VDI\) Pre\-Approval Process \- ALL Vehicles
- [114044](/bulletins/11036281.md), 2026-08-19, Warranty extension: STRUCTURE:BODY. D\-25\-15 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging \(VDI\) Pre\-Approval Process \- ALL Vehicles
- [16C Combo Rev3](/bulletins/11036183.md), 2026-08-13, Warranty extension: ELECTRICAL SYSTEM. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp \(CEL/MIL\). \(JT\) vehicles: CEL/MIL and cargo lamp indicator function are swapped. \(JL\) vehicles: CEL/MIL will not turn on. The CEL/MIL in and of itself will not affect emissions. However, if there was an emission issue that would require illumination of the CEL/MIL, the customer would not be alerted. The vehicle would be non\-compliant to the OBD II regulation.
- [08\-298\-26 REV. A](/bulletins/11036150.md), 2026-08-13, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● \*\*A blank electronic vehicle information center \(EVIC\) in the IPC. No information is displayed for the fuel level, temperature gauge, odometer, outside temperature, PRNDL and optional digital speedometer Fig. 1. IMPORTANT\! The analog speedometer and tachometer gauges continue to function normally Fig. 1\*\*. This bulletin involves replacing the IPC.
- [113809](/bulletins/11035998.md), 2026-08-06, Warranty extension: ELECTRICAL SYSTEM. ID\-26\-37 \(XZ1\) Instrument Panel Cluster \(IPC\) \- Select 2018 \- 2020 Jeep Wrangler \(JL\) and 2020 Jeep Gladiator \(JT\)
- [113813](/bulletins/11035997.md), 2026-08-06, Warranty extension: ELECTRICAL SYSTEM. D\-26\-17 \(XZ1\) Instrument Panel Cluster \(IPC\) \- Select 2018 \- 2020 Jeep Wrangler \(JL\) and 2020 Jeep Gladiator \(JT\)
- [08\-298\-26](/bulletins/11035973.md), 2026-08-06, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: ● A blank IPC display. No information is displayed for the speedometer, fuel level, temperature gauge, odometer, outside temperature and PRNDL. NOTE: The speedometer and tachometer continue to function normally. This bulletin involves replacing the IPC.
- [113271](/bulletins/11035078.md), 2026-07-18, Service bulletin: ENGINE. CORE – HEATER
- [113270](/bulletins/11035077.md), 2026-07-18, Service bulletin: ENGINE. CORE – HEATER
- [112862](/bulletins/11034372.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. MOTOR \- BLOWER WITH WHEEL
- [112863](/bulletins/11034371.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. MOTOR \- BLOWER WITH WHEEL
- [112842](/bulletins/11034335.md), 2026-07-02, Service bulletin: ENGINE. BOLT \- HEX FLANGE HEAD
- [9100835](/bulletins/11033957.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [S2623000040](/bulletins/11033896.md), 2026-06-16, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
- [08\-208\-26 REV. A](/bulletins/11032842.md), 2026-05-20, Service bulletin: ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub \(no charging, no data\). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.
- [08\-208\-26](/bulletins/11032824.md), 2026-05-20, Service bulletin: ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub \(no charging, no data\). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
- [08\-208\-26](/bulletins/11032647.md), 2026-05-13, Service bulletin: ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub \(no charging, no data\). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
- [S2623000018](/bulletins/11030435.md), 2026-04-01, Service bulletin: STRUCTURE:BODY. Wind Noise From Hard Top Freedom Panels Near Rear View Mirror While Driving.
- [08\-133\-26](/bulletins/11030413.md), 2026-04-01, Service bulletin: ELECTRICAL SYSTEM. Rear Defroster Inoperative Customers may experience one or more of the following: SYMPTOM: ● Rear window is not defrosting. ● The rear window glass left or right side defrost solder terminal is detached from the defrost grid. This bulletin involves replacing the Electric Backlite \(EBL\) wire connector repair and re\-securing the electrical connector\(s\) to the rear window.
- [16C Combo REV2](/bulletins/11030262.md), 2026-03-25, Warranty extension: ELECTRICAL SYSTEM. Emissions Recall 16C \- Check Engine/Malfunction Indicator Lamp \- Dealer Notification \(Revision 2\)

More: [the next page](/v1/vehicles/2018_jeep_wrangler/bulletins?cursor=2026-03-25_11030262) (JSON)

JSON: [/v1/vehicles/2018_jeep_wrangler/bulletins](/v1/vehicles/2018_jeep_wrangler/bulletins)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%202018%20Jeep%20Wrangler&page=https%3A%2F%2Fopen.wenmarpro.com%2Fmakes%2Fjeep%2Fwrangler%2F2018%2Fbulletins&vehicle=2018%20Jeep%20Wrangler)