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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

Bulletins, newest first
S238A0000212023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Radio Display Screen Blank Or Screen Cuts In And Out
Bulletin2023-07-31. Service bulletin. STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL. Customer Satisfaction Notification 51A - Incorrect Grille Insert Color
9100153A2023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL. B2768-49 Right Impact Pressure Sensor-Internal Failure, prior to replacement of any components please contact FCA Redacted Content for further assistance. If no response in 15 minutes, proceed with repair.
0900923b2023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTCs) present.
0900923a2023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTC)s present.
07007232023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant
23057232023-07-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; LATCHES/LOCKS/LINKAGES:DOORS:LOCK. Manual Door Locks Inoperative with Mechanical Key One or more manual door locks inoperative using the mechanical key. NOTE: The power door locks will still function normally. This bulletin involves inspecting the door lock cylinders and possibly replacing one or more lock cylinders or re-attaching the key cylinder linkage clip.
09009232023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Engine Ticking Noise Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTC)s present. This bulletin involves inspecting and if needed, replacing the intake HLAs. NOTE: **ALL VEHICLES ON THE RSU VIN LIST REQUIRE ALL 12 INTAKE HYDRAULIC LASH ADJUSTERS TO BE REPLACED**.
08122232023-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Restore Vehicle Configuration Customers may experience the following: ? Speed warning alert/Chime chimes continuously above a (80 KMPH) speed - instead of one time chime alert. This bulletin involves performing a restore vehicle configuration procedure.
23050232023-07-31. Service bulletin. VISIBILITY:WINDSHIELD. Heated Windshield Inoperative Customers may comment on the following: ? The heated windshield is inoperative. This bulletin involves inspecting and possibly connecting the heated windshield button to the windshield.
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.
23049232023-07-31. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. Water Leak - Liftgate Glass to Swing Gate Water leak into rear cargo area at the bottom of lift glass seal and top of swing gate. This bulletin involves installing two pieces of foam pads.
07004232023-07-31. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. Coolant Overflow Bottle Leaking Coolant Leak. This bulletin involves inspection the overflow coolant bottle for leaks and replacing it if needed.
91001432023-07-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. PSU right intake camshaft Case 1) If you are to flash the PSU (Pentastar Upgrade Engine) PCM due to P0300 code presence, only AB or previous LEVEL PSU right intake camshaft PN 05047913AA or AB (old version) should be replaced. If the engine is equipped with the AC/AD LEVEL PSU right intake camshaft PN 05047913AC or AD (new version), camshaft should NOT be replaced. Case 2) If the intake camshaft or intake rocker arm has excessive wear on the high lift profile (Rocker arm: slider, Camshaft: central lobe), replace the intake camshaft (1) in that cylinder head and all intake rocker arms (6).
91001332023-07-31. Service bulletin. BACK OVER PREVENTION. ROCKER ARM ASSY - ROLLER ROCKER Case 1.- Before replacing the intake or exhaust rocker arms due to an abnormal ticking noise, please check that the INTAKE Hydraulic Lash Adjusters are not "collapsed". If a collapsed INTAKE HLA is found, replace all INTAKE HLAs on the suspect cylinder head (no need to replace rocker arms). The noise can occur at low or high RPMs, and at low or high temperatures. There are no Diagnostic Trouble Codes (DTC)s present. Case 2.- If the INTAKE camshaft or INTAKE rocker arm has excessive wear on the high lift profile (Rocker arm: slider, Camshaft: central lobe), replace the intake camshaft (1) in that cylinder head and all intake rocker arms (6).
91001422023-05-30. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. Mirror
Newsletter2023-05-30. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA CARIBBEAN WARRANTY OPERATIONS NEWSLETTER
09009232023-05-30. Service bulletin. ENGINE AND ENGINE COOLING. Engine Ticking Noise Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTC)s present. This bulletin involves inspecting and if needed, replacing the intake HLAs.
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.
23027232023-05-30. Service bulletin. EQUIPMENT. Missing Side Steps Vehicles ordered with side steps did not receive side steps installed. This bulletin involves installing missing side steps. NOTE: Vehicles were ordered with the side step option but did not get the side steps from the Factory.
18048232023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
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.
08100232023-05-30. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Charge Indicator (BCI) Replacement Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTC has been set: ? B1271-00 - Charge Level Indicator Internal. Customer may also experience the following: ? BCI does not indicate charge status while the vehicle is charging. This bulletin involves replacing the BCIM.
Notification23A2023-05-30. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Notification 23A Electric Vehicle Mode
S22080000802023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High

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