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Service bulletins for the 2023 Jeep Grand Wagoneer

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.

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

By type

By component

By trouble code

Bulletins, newest first
24008232023-09-25. Service bulletin. ELECTRICAL SYSTEM. Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates Customers may experience one or more of the following HVAC A/C cool down concerns: ? Insufficient A/C performance for both the first and second row comfort. ? Poor heated/vented seat performance This bulletin involves reprogramming the HVAC with the latest available software.
23086232023-09-25. Service bulletin. STRUCTURE. Front Right Fender is not Flush with Passenger Door Front right fender (passenger side) is not flush with door. This bulletin involves inspecting the front right fender for an overflush condition and possibly adjusting the fender to be flush.
08182232023-09-25. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. Power Liftgate Module (PLGM) Replacement Customers may experience: ? Liftgate does not operate with power, must operate manually. ? Double switch press causes the liftgate to go into manual mode. ? Battery drain after liftgate is closed following an opening obstruction. This bulletin involves replacement of the PLGM
2308123a2023-09-25. Service bulletin. SEATS. Incorrect Front Seat Cover Installed Mismatched front seat covers (one or more seat covers have a ?SERIES 1? badge (Fig. 1) , others have no badges). 2023 (WS) Grand Wagoneer/Wagoneer front seat covers do not have badges. This bulletin involves possibly replacing mismatched seat cover(s).
24007232023-09-25. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC temperature door stuck (HVAC) Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ?B11CB-92 Front/Left Temperature Door 1 Control - Performance or Incorrect Operation. ? B11CC-00 Main/Left Temperature Door 1 Travel Too Small. Customers may also comment on the following: ? Driver side temperature cold when commanded to hot (or vice versa). This bulletin involves installing a three millimeter foam washer under the blend door cam gear.
08161232023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL. Missing Second Media Remote The vehicle is missing the second media remote. This bulletin involves placing the missing media remote in the vehicle, and informing customer that the second remote is in the vehicle.
23081232023-09-25. Service bulletin. SEATS. Incorrect Front Seat Cover Installed Mismatched front seat covers (one seat cover has a ?SERIES 1? badge (Fig. 1) , the other has no badge). 2023 (WS) Grand Wagoneer/Wagoneer front seat covers do not have badges. This bulletin involves replacing one front seat cover containing the ?SERIES 1? badge.
S23080000882023-09-25. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Key Fob Battery Low Warning Message Displayed on The Instrument Panel Cluster (IPC)
S21080001932023-09-25. Service bulletin. FORWARD COLLISION AVOIDANCE. Forward Collision Warning OFF Indicator Is Displayed In The Cluster
S23020000032023-09-25. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Payload Limit Exceeded Message On Instrument Cluster Message Center.
S238A0000352023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Pop Or Static Noise From Radio As The Vehicle Is Being Started
S238A0000342023-09-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. USB Hub In-Operable
S23080000172023-09-25. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. Battery Drain, No Start, Power Liftgate Inoperative
S22080000112023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
S238A0000302023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Apple CarPlay Not Working Or Disconnecting After Updating To iOS 16.3.1 Or Above
91001962023-09-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
91001902023-09-25. Service bulletin. EQUIPMENT. Rear Window Sunshade For Rear door sunshade wrinkles. Once extended, if the sunshade is offset (Cocked) while retracting it, wrinkles go into the fabric but will go away after extended periods of being open and can also be expedited by applying heat/steam. Component replacement is not required
91001832023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. Amplifier Engineering is investigating radio audio cuts in and out or audio is muted on some speakers or audio is muted on all speakers with no sound from radio or speakers. Please perform an A-B-A swap analysis on Amplifier/Radio. Contact Engineering at FCA Redacted Content with results before replacing Amplifier/Radio. If no response in 15 minutes, proceed with repair.
91001602023-08-21. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Power wndow switch passenger
24006232023-08-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change (Except Alfa Romeo Vehicles)
08147232023-08-21. Service bulletin. STEERING; ELECTRICAL SYSTEM. Flash: Electric Power Steering (EPS) Module Updates The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs): ? C1592-00 - Electronic Power Steering Motor Circuit. ? **C1593-00 - Steering Torque Sensor Circuit. ? C2217-00 - Electric Power Steering Module Internal.** The customer may also experience one or more of the following: ? **Loss of steering assist and illuminated steering light in the cluster.** ? Lack of power steering assist at vehicle start up with no DTC This bulletin involves updating the EPS module with the latest available software.
23065232023-08-21. Service bulletin. STRUCTURE. Loose or Missing Front Roof Ditch Molding Loose or missing front roof ditch molding. This bulletin involves inspecting both front roof ditch moldings for looseness and replacing if loose or missing.
09010232023-08-21. Service bulletin. ENGINE AND ENGINE COOLING. Make Up Air (MUA) Valve Leak 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: ? P2C90 - Crankcase Ventilation System - Hose A Disconnected. This bulletin involves replacing the MUA check valve, or performing an inspection and possibly replacing the PCV valve.
08138232023-08-21. Service bulletin. ELECTRICAL SYSTEM. Stop/Start Disabled Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) have been set: ? P2AF6-00 - Starter Relay 3 Stuck Off. Customers may also experience: ? Start/Stop disabled. This bulletin involves checking connector D3157A is properly connected to the Power Distribution Center (PDC).
09011232023-08-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Turbo to Charge Air Cooler Quick Connect Loose Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0101 - Mass Air Flow Sensor Circuit Performance. ? P0236 - Turbocharger/Supercharger Boost Pressure Sensor Performance. Customers may also comment on the following: ? Reduced engine performance. This bulletin involves inspecting turbo to charge air cooler quick connect at the turbo, performing a push-pullpush verification check on the quick connection and ensure it is locked.

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