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Service bulletins for the 2023 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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
91003442024-06-04. Service bulletin. POWER TRAIN. "VALVE BODY & CONTROL UNIT Transmission Ensure clutch pressure check has been completed and documented prior to valve body replacement."
18005242024-03-18. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers or technician may experience the following: ? Excessive oil life degradation shown when viewing fuel and oil data screen. This bulletin involves reprogramming the PCM with the latest available software.
S23090000132024-01-16. Service bulletin. POWER TRAIN. Verifying Camshaft Diagnosis
S23090000122024-01-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Mil-On/Check Engine Lamp-On with DTC P06DD set in the powertrain control module (PCM).
S23180000112024-01-16. Service bulletin. POWER TRAIN. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0341 ? Camshaft Position Sensor Performance ? Bank 1 Sensor 1, Set.
S22210000032024-01-08. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23210000052024-01-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Fluid Leak From Under The Vehicle.
91002202024-01-08. Service bulletin. POWER TRAIN. Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines.
91001382024-01-02. Service bulletin. POWER TRAIN. FILTER KIT, Transmission Oil For leak concerns that have been isolated to a transmission pan gasket, please replace ONLY the gasket. Pan/filter replacement are not required.
91002202023-12-18. Service bulletin. POWER TRAIN. Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines. Refer to the latest version of Star Online Publication S2321000005.
S22210000032023-10-30. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23210000052023-10-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. Transmission Fluid Leak From Under The Vehicle.
91002202023-10-30. Service bulletin. POWER TRAIN. Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines.
18047232023-08-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P2B95 - Cold Start Injection Pulse Performance. This bulletin involves reprogramming the PCM with the latest available software.
S23250000062023-08-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer complaint may include a MIL-on or check engine lamp on condition.
S23090000012023-07-31. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Upon turning the vehicle on, vehicle propulsion system is inoperative.
08120232023-07-31. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING. Flash: Drivetrain Control Module (DTCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) or warning lamp illumination. Upon further investigation the technician may find that the multiple Diagnostic Trouble Codes (DTCs) have been set: ? C1403-29 - Transfer Case Range Position Sensor-Signal Invalid. ? C14AA-62 - Transfer Case Motor Position Sensor Supply-Signal Compare Failure. This bulletin involves reprogramming the DTCM with the latest software available.
18052232023-05-30. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. ? P025C - Fuel Pump Module Control Circuit Low. ? P0300-00 - Multiple Cylinder Misfire. ? P0301-00 - Cylinder 1 Misfire. ? P0302-00 - Cylinder 2 Misfire. ? P0303-00 - Cylinder 3 Misfire. ? P0304-00 - Cylinder 4 Misfire. ? P0305-00 - Cylinder 5 Misfire. ? P0403-00 - EGR Control Circuit Open (Disabled Fault). ? P208B - Reductant Pump 1 Control Performance. Other Software enhancements: ? Low speed engine idle improvements. ? Improved engine restart performance and torque response during low fuel level and/or hot ambient conditions. This bulletin involves reprogramming the PCM with the latest available software.
18047232023-05-30. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P2B95 - Cold Start Injection Pulse Performance. This bulletin involves reprogramming the PCM with the latest available software.
91000102023-05-30. Service bulletin. POWER TRAIN; WHEELS. Axle Assembly Do not replace the Axle for Axle Locker Sensor failure. The parts kit (SENSOR KIT, Axle: 68544629A$) must be used to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE).
91001382023-04-17. Service bulletin. POWER TRAIN. FILTER KIT, Transmission Oil For leak concerns that have been isolated to a transmission pan gasket, please replace ONLY the gasket. Pan/filter replacement are not required.
18155222023-01-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Powertrain Control Module (PCM) Updates
S22210000032023-01-09. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.

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