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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
18-074-242024-10-01. Service bulletin. POWER TRAIN; ENGINE. "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0300 - Multiple Cylinder Misfire This bulletin involves reprogramming the PCM with the latest available software."
S2423000024 REV.B2024-10-01. Service bulletin. ELECTRICAL SYSTEM. Door Ajar Light On With Door(s) Closed.
S228A000017 REV.A2024-09-23. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
08-202-242024-09-17. Service bulletin. UNKNOWN OR OTHER. "Radio Over The Air Update to U33.43 Software Version (FOTA) Customers may experience one or more of the following: ● Unable to select the Turn by Turn Nav. ● Blank Performance Pages. Rearview Camera (RVC) functions normally. ● Android Auto® Voice Recognition Inop. ● Media Tuner Delayed. ● Charge Schedule HMI. RVC functions normally. ● Ambient Light Inop. ● Map in Cluster Inop. ● Media Widget Blank. ● Nav Map Black. ● Offroad Pages Inop. RVC functions normally. ● VR Inop. ● Incorrect Song Title Displayed, Carplay® only. ● HU switches from Media Page to Home Page. RVC functions normally. ● Ghost Touch on Nav screen. RVC functions normally. ● Widgets Missing. ● New User Profile does not load. ● Returns to wrong page after View Camera Event selected by customer in the ""Camera View Pages"""". RVC functions normally. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from U29.42 to U33.43. NOTE: The national launch for the FOTA is expected to begin September 30, 2024."
91004092024-09-06. Service bulletin. POWER TRAIN. TRANSFER CASE Before replacing a transfer case unit for fault codes C1444-98 and/or C1477-4B, be sure to reference TSB 21-048-24 for potential transfer case shift motor replacement
08-066-24 REV. A2024-09-04. Service bulletin. STRUCTURE:BODY. "Front Windows Inoperative Customers may experience the following: ● The front left and/or right window is stuck open. NOTE: Front windows do not operate for one full key cycle. Auto up functionality is lost until hard up stop is reached. This bulletin involves reprogramming the DDM and PDM with the latest available software."
21-048-242024-09-04. Service bulletin. POWER TRAIN. "Transfer Case Active Shift Motor Replacement Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C1444-98 - T-Case Motor Overuse-Component Or System Over Temperature. ● C1477-4B - Transfer Case Clutch-Over Temperature. Customers may also comment on the following: ● ""4WD Overheated Temporarily Unavailable"" message displayed in the Instrument Panel Cluster (IPC). This bulletin involves replacing the transfer case shift motor."
999642024-09-04. Other. STRUCTURE:BODY. BEZEL - DOOR HANDLE
1000402024-09-04. Service bulletin. ELECTRICAL SYSTEM. CENTER STACK - VEHICLE FEATURE CONTROLS
1000792024-09-03. Other. ELECTRICAL SYSTEM; STEERING. WIRING - ELECTRIC POWER STEERING
S24180000102024-08-30. Service bulletin. ENGINE. MIL On/Check Engine Lamp On, Engine May Run Rough
9100401REV12024-08-26. Service bulletin. ELECTRICAL SYSTEM. 3.5" speaker assembly Before replacing a speaker part for crackles or rattling noises make sure to take the following steps: 1. Check for electrical harness routing too close to speaker's rear moving parts, improper connection, and/or harness pinch or damage. 2. Ensure no loose components, including trim grilles, fasteners, surrounding IP parts, etc. were found when removing the speaker. 3. Try "bad" speaker at another IP location and see if noise follows speaker. Try a different "good" speaker at "bad speaker location" and see if noise still happens at "bad" location. 4. Remove the bad speaker and replace it back. 5. If even with this verification and adjustments the speaker sounds bad, test the individual speaker with the audio files provided in the Service Library Homepage under "Reference Materials" prior to replacement. Follow all these steps, if issue still happens; reach out to the engineer at Stellantis for more support, if the engineer doesn t respond in 30 minutes. Then the speaker can be replaced.
91004012024-08-14. Service bulletin. ELECTRICAL SYSTEM. 3.5" speaker assembly Before replacing a speaker part for crackles or rattling noises make sure to take the following steps: 1. Check for electrical harness routing too close to speaker's rear moving parts, improper connection, and/or harness pinch or damage. 2. Ensure no loose components, including trim grilles, fasteners, surrounding IP parts, etc. were found when removing the speaker. 3. Try "bad" speaker at another IP location and see if noise follows speaker. Try a different "good" speaker at "bad speaker location" and see if noise still happens at "bad" location. If even with this verification and adjustments the speaker sounds bad, test the individual speaker with the audio files provided in the Service Library Homepage under "Reference Materials" prior to replacement.
18-004-24 REV. B2024-08-13. Service bulletin. POWER TRAIN. "Flash: Powertrain Control Module (PCM) Updates 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 (DTCs) have been set: ● **P00F3-00 - Humidity Sensor Circuit Range-performance.** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P0461-00 - Fuel Level Sensor ""A"" Circuit Range/Performance. ● P051B-00 - Crankcase Pressure Sensor Circuit Range/Performance. ● P2F64-00 - Ion Sense Feedback Circuit A. ● P0331-00 - Knock Sensor 2 Circuit Range/Performance. ● P0300-00 - Multiple Cylinder Misfire. ● P2C90-00 - Crankcase Ventilation System - Hose ""A"" Disconnected. ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or System Performance. ● P0604-00 - Internal Control Module Random Access Memory Ram Error. ● P060C-00 - Internal Control Module Main Processor Performance. **Customers may also comment on the following: ● Undesirable vehicle drivability behavior causing the a Shift to Park event during Engine Stop Start (ESS) while Adaptive Cruise Control (ACC) is active. ● Pressing ACC button while ESS active can shift the vehicle to park. ● Idle speed oscillations observed when in Snow and Mud modes. ● Poor engine performance (undershoots engine speed) for ESS and for non-ESS engine start. ● Screen two incorrectly pops up on the Instrument Cluster Panel (IPC) for 5 seconds during Terrain and Rock mode. ● Vehicle performance complaints when coasting at lower speeds.** This bulletin involves reprogramming the PCM with the latest available software."
08-178-242024-08-13. Service bulletin. ELECTRICAL SYSTEM. "Radio Over The Air Update to U29.42 Software Version Customers may experience one or more of the following: ● Incorrect navigation units. ● Accessibility settings missing. ● Missing radio stations. ● Incorrect phone widget. ● Radio freeze. ● Blank hybrid screen. ● Screen Off at start up. Rearview Camera (RVC) functions normally. ● USB mode changes on its own. ● ROV FOTA scheduling. ● Apps downloaded for one connected profile are being shared with other local profiles. ● Profile creation delay. ● Camera softkeys delayed, reverse and forward camera displays black radio screen. RVC functions normally. ● FamCam ""X"" button missing. ● SXM reset. ● RVC zoom lagging. ● VR stuck in listening mode. ● Android Auto®/Car Play® disconnect. ● Missing battery voltage icon. ● Rear seat reminder inop. ● Missing menu bar. ● Radio resets. ● Missing Wifi app. ● Android Auto® radio reset. ● Music playback inop. ● Invalid FOTA popup. ● Assisted Call audio inop. ● Hybrid pages inop. In addition, the following software enhancement is available: ● Uconnect phone improvements. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from T25.50 to U29.42. NOTE: The national launch for the FOTA is expected to begin July 31, 2024."
23-004-24 REV. A2024-08-13. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses."
S2108000249 REV.C2024-08-12. Service bulletin. STRUCTURE:BODY. Cluster and Radio Display Settings Revert Back to Default Settings, Auto Door Locks and Paddle Shifter Inoperative With No Menu to Enable, Pedestrian Emergency Brake (PEB) Lamp and Forward Collision Warning (FCW) Lamp on After a Recent Service Repair no Diagnostic Trouble Codes (DTCs)
S2423000030 REV.A2024-08-12. Service bulletin. STRUCTURE:BODY. Buzz Squeak Rattle (BSR) From Upper Left Dash Area.
S248A0000132024-08-12. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: WARNINGS; SERVICE BRAKES. After Radio Software Update, Pedestrian Emergency Brake (PEB) Lamp and Forward Collision Warning (FCW) Lamp on in Cluster or Other Customer Programable Features Concerns Not Set, No Diagnostic Trouble Codes (DTCs)
995002024-07-31. Other. POWER TRAIN. CARRIER – PLANETARY & SHAFT KIT - OUTPUT
18-064-242024-07-30. Service bulletin. POWER TRAIN. "Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):** ● **P018B - Fuel Pressure Sensor ""B"" Circuit Range/Performance.** Customer may also experience one or more of the following: ● **Undesirable vehicle drivability behavior causing the a Shift to Park event during Engine Stop Start (ESS) while Adaptive Cruise Control (ACC) is active. ● Pressing ACC button while ESS active can shift the vehicle to park. ● Idle speed oscillations observed when in Snow and Mud modes. ● Poor engine performance (undershoots engine speed) for ESS and for non-ESS engine start. ● Screen two incorrectly pops up on the Instrument Cluster Panel (IPC) for 5 seconds during Terrain and Rock mode.** ● Poor or reduced air conditioning performance during wide open throttle or heavy acceleration. This bulletin involves reprogramming the PCM with the latest available software."
S2408000016 REV.A2024-07-26. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Front Passenger, Rear right and/or Rear left Window Door Window Switches are Inoperative, Window Operation Does Work from the Driver Master Switch
S24210000012024-07-18. Service bulletin. POWER TRAIN. No Reverse And/Or Forward Gear After D-Clutch Repair.
91003902024-07-18. Service bulletin. POWER TRAIN. D Clutch Repair Kit TSB 21-039-24 REV A - D-Clutch repair kit missing Carrier Output Shaft Seals It has been identified the Carrier Output Shaft is missing 2 seals for some of the kits delivered to dealers. These seals are not available individually. MOPAR is working to get the parts. Do not rebuild the transmission without these seals otherwise the vehicle will not have reverse. Please refer to STAR Online Publication S2421000001 for instructions for inspecting if the seals are present on the Output Shaft Carrier Shaft. If seals are missing, please return the D-Clutch Kit as defective and order another kit. Transmission replacement is not recommended as this issue should be solved with replacement kits.
9100390 Rev12024-07-18. Service bulletin. POWER TRAIN. D Clutch Repair Kit TSB 21-039-24 REV A - D-Clutch repair kit missing Carrier Output Shaft Seals It has been identified the Carrier Output Shaft is missing 2 seals for some of the kits delivered to dealers. These seals are not available individually. MOPAR is working to get the parts. Do not rebuild the transmission without these seals otherwise the vehicle will not have reverse. Please refer to STAR Online Publication S2421000001 for instructions for inspecting if the seals are present on the Output Shaft Carrier Shaft. If seals are missing, please return the D-Clutch Kit as defective and order another kit. Transmission replacement is not recommended as this issue should be solved with replacement kits

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