WenmarOpen by Wenmar Pro

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
08112232023-05-30. Service bulletin. EXTERIOR LIGHTING; EXTERIOR LIGHTING:TAIL LIGHTS. Rear Tail Lamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior tail lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. This may be reported after the lamps have been turned on and brought up to operating temperature, turned off, and then rapidly cooled by cold water (such as rain, or the water from a vehicle wash). This bulletin is to communicate the procedure for rear tail lamp condensation clearing.
23048232023-05-30. Service bulletin. EQUIPMENT. Center Console Bin Separating Front And/Or Rear Console/Armrest Lid Not Closing. Lower cover is separating from the lid at the rear. This bulletin involves possibly re-securing and/or replacing the center console/armrest lower cover.
08104232023-05-30. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio T25.50 USB Software Update The customer may describe one or more of the following: ? U0485-00 Implausible Data Received From Radio. ? Native Voice Recognition (VR) session does not open with wake-up word or steering wheel button. ? USB playback inoperative. ? Wireless connectivity media playback inoperative. ? Radio resets. ? VR inoperative. ? Call does not end on the cluster. ? Seat comfort graphic incorrect. ? Wireless and Wired CarPlayT inoperative. ? Vehicle positioning (Lat/Long) inoperative. ? Audio sources inoperative. ? Profile avatar changes in valet mode. ? Electric Vehicle (EV) pages inoperative. ? Scheduled cabin cooling inoperative. ? Rear seat entertainment audio overlap. ? Black Screen (This will not affect back up camera operation). ? Unable to connect second wireless connectivity device. ? Assist call inoperative. ? Comfort graphic overlap. ? Translated text is incorrect. ? Comfort softkeys incorrect. ? Unable to exit seat comfort pop-up (This will not affect back up camera operation). ? Compass inoperative. ? Wireless connectivity disconnect. ? Display does not return to idle mode after call. ? Radio slow response. ? SXMT favorites inoperative. ? Display switches to Nav on VR prompt. ? Tutorial App inoperative. ? Unable to exit EV pages (This will not affect back up camera operation). ? Dynamic RVC guidelines inoperative. ? Unable to switch audio sources. ? European media source (DAB) available on North America vehicles. ? Wired CarPlayT inoperative. ? Audio sources unavailable after profile switch. ? Audio repetition stops during incoming calls. ? Schedule update inoperative. ? Radio screen freezes (This will not affect back up camera operation). ? Audio unmuted at door close. ? Audio loss. ? Setting preferences will not return to default. ? Surround view camera inoperative (This will not affect back up camera operation). ? FamCam image in black and white.
18048232023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
08097232023-05-30. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; LANE DEPARTURE. Hood Ajar Switch Inoperative The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC): ? P152E - Engine Hood Switch 2 Circuit High. Customers may also experience: ? Start/Stop system warning light. ? Start/Stop inoperable. ? Remote start inoperable. This bulletin involves replacing the hood ajar switch.
18040232023-05-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P05CC-00 - Cold Start A Camshaft Position Timing Performance Bank 1. Customer may also experience the following: ? Poor or insufficient A/C performance during towing or other high torque maneuvers. ? Belt chirp is heard at startup or when A/C cycles on. This bulletin involves reprogramming the PCM with the latest available software.
Notification39A2023-05-30. Service bulletin. STEERING. Customer Satisfaction Notification 39A Steering Column Adjustment
S22230000632023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Temperature Sensor Servicing.
91001562023-05-30. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Long Range Camera Front For concern of Central ADAS Decision Module (CADM) setting C2318-49 - Front Camera Internal Electronic Failure and P0602-00 - Control Module Programming Error/Not Programmed, some recently replaced windshield Long Range Front Cameras (LRCF) and CADM(s) have been found with no problems after testing. Prior to replacing the camera, Please Contact FCA Redacted Content. If no response in 15 minutes, please proceed with repair.
23029232023-04-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. 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 (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
08060232023-04-17. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE. Flash: Power Liftgate Module (PLGM) Enhancements 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 reprogramming of the PLGM with the latest available software.
08055232023-04-17. Service bulletin. SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING; TRAILER HITCHES; STEERING; WHEELS; ELECTRICAL SYSTEM. Radio Over The Air S24.18 Updating to S26.18 Software Version Customers may experience one or more of the following: ? **Navigation signal drops out; maps not loading on the Instrument Panel Cluster (IPC) display. ? Cannot change satellite stations, display shows one station on screen but is playing another.** ? Battery drain. ? Black screen after clicking 9accept9 at start up (Rearview camera functions normally). ? Radio resets (Rearview camera functions normally). ? Wireless connectivity device disconnect. ? Wireless connectivity disconnecting. ? CarPlayT icon does not appear in device manager. ? Audio disruptions. ? SXMT inoperative. ? Audio mute. ? Passenger screen blank. ? Passenger screen apps missing. ? Missing profiles icon. ? IPC displays incorrect audio source. ? Radio is slow to respond. ? Trailer tire pressure configurations deleted. ? Steering wheel controls skipping SXM channels. ? Recent calls not displayed. ? Phone audio playing when ignition is off. This software update also has the following enhancements: ? Icon size/layout improvements. ? Carplay/Android AutoT improvements. ? Uconnect Phone improvements. ? FOTA improvements. ? Passenger screen camera app improvements. ? Voice Recognition (VR) command 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 S24.18 to S26.18. NOTE: National launch for this FOTA update is expected to begin November 18, 2022.
08046232023-04-17. Service bulletin. PARKING BRAKE; VEHICLE SPEED CONTROL; BACK OVER PREVENTION; ELECTRICAL SYSTEM; SEATS; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. Radio Over The Air S26.18 Updating to T25L Software Version Customers may experience one or more of the following: ? Amplifier module sets DTC U0485 - Implausible Data Received Set. ? Radio reset (Rearview camera functions normally). ? Voice Recognition (VR) inoperable. ? Wireless CarPlayT inoperable. ? Audio sources inoperable. ? Display switches to Nav on VR prompt. ? Vehicle Positioning (Lat/Long) inoperable. ? Surround View Camera inoperable (Rearview camera functions normally). ? Unable to exit FamCam. ? Audio Repetition inoperable. ? Electric vehicle pages inoperable. ? Translated text is incorrect. ? Profile avatar changes in Valet Mode. ? Display does not return to idle mode after call. ? Dynamic rear view camera guidelines inoperable. ? FOTA popup won?t dismiss. ? Ambient Lights Setting inoperable. ? Call Status on after all ended Favorites available in valet mode. ? SXMT Favorites inoperable. ? Tutorial App inoperable. ? Audio Repetition stops during incoming calls. ? Unable to connect second device. ? Unable to exit Seat Comfort popup. ? Call does not end on the Instrument Panel Cluster (IPC). ? Seat Comfort graphic incorrect. ? Headphone button for front passenger display inoperable. ? Schedule update inoperable. ? USB media source inoperable on front passenger display. ? SXMT inoperable. ? Wireless Android Auto inoperable. ? Media sources duplicated. ? Audio unmuted at door close. ? Radio freeze (Rearview camera functions normally). ? Radio input lagging. ? Navigation active with no active route. ? Scheduled cabin cooling inoperable. ? Incorrect phone repetition displayed. ? Navigation routing inoperable. ? Unable to exit electric vehicle Pages. ? Comfort softkeys incorrect. ? Comfort graphic overlap. ? Unable to change audio sources. ? Audio sources unavailable after profile switch. ? No incoming call popup on Uconnect phone. ? FamCam image in black and white.
S23080000172023-04-17. Service bulletin. POWER TRAIN. Battery Drain, No Start, Power Liftgate Inoperative
S21080000152023-04-17. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Require Service Message
S22080001742023-04-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. No Crank, No Start. Service Air Suspension Message Displayed In The Cluster
S23230000172023-04-17. Service bulletin. POWER TRAIN. Enabling A New Power Side Step Module.
S23230000162023-04-17. Service bulletin. ELECTRICAL SYSTEM. Power Side Step Does Not Operate Or Operates Intermittently
S14080003842023-04-17. Service bulletin. ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
S22230000692023-04-17. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Rattle Noise From The Headliner Roof Area.
S22230000792023-04-17. Service bulletin. LANE DEPARTURE. Blind Spot Warning Message On Instrument Cluster. Mid Range Radar Wrong Mounting Diagnostic Trouble Code.
S23230000142023-04-17. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD. Rattle Buzz Noise From Left Front Dash Area.
S23020000012023-04-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. Service Air Suspension Message In Cluster. C15AD-92-Ride Height System- Performance In Below Freezing Temperatures.
91001252023-04-17. Service bulletin. SEATS. ELEMENT ASSY HEATER BACK If a WS vehicle, built after 8/24/22, comes with heated seats complain of turning itself off after a few minutes or totally inoperative. Prior to repair, please contact FCA Redacted Content If no response in 15 minutes, please do the following: 1. Note any DTCs stored or active during the vehicle scan. 2. Do not discard heater mat if it has been replaced for any reason. 3. Please help engineering gathering more information, share your findings including a scan report with: FCA Redacted Content
S22190000072023-01-17. Service bulletin. ELECTRICAL SYSTEM; STEERING. Service Electric Power Steering (EPS) Message Displayed on Cluster Upon Start Up

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