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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

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
1131232026-07-08. Service bulletin. SERVICE BRAKES. SPRING KIT - DISC BRAKE PAD
1104632026-03-05. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. SWITCH - TRAILER BRAKE CONTROL MODULE , ADAPTER & WIRING KIT - TRAILER TOW.
9100565Rev32026-02-04. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. C0582-00-BRAKE BOOSTER MOTOR "A" PHASE U-V-W CIRCUIT RANGE/PERFORMANCE C058A-00-BRAKE BOOSTER MOTOR "A" POSITION SENSOR CIRCUIT RANGE/PERFORMANCE C058E-00-BRAKE BOOSTER MOTOR "B" POSITION SENSOR CIRCUIT RANGE/PERFORMANCE After performing the diagnostic tests and determines to replace the Brake System Control Module (BSCM) also replace the EBooster. (Send back both Brake Electronic Control Unit and Hydraulic Control Unit for Engineering Analysis) To avoid potential charge-back, only use MOPAR approved brake fluid per the service manual. When filling the brake reservoir, use clean equipment and gloves during repair to avoid cross-contamination.
S25050000082025-10-02. Service bulletin. SERVICE BRAKES. C0044-00-BRAKE PRESSURE SENSOR 1 (MODULE, Brake System Control 2 (BSCM 2))
S25050000062025-08-27. Service bulletin. SERVICE BRAKES. Ebooster Electronic Booster Service Information.
S25230000452025-05-14. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. C058E-00 - BRAKE BOOSTER MOTOR "B" POSITION SENSOR CIRCUIT RANGE/PERFORMANCE
S25080000292025-04-22. Service bulletin. BACK OVER PREVENTION: WARNINGS; SERVICE BRAKES. Instrument Panel Cluster (IPC) Message “Park Assist System Unavailable” or “Service Park Assist System”, “Rear Braking Assist Unavailable” or “Service Rear Braking Assist System" with Performance Diagnostic Trouble Codes (DTCs)
S25230000072025-01-30. Service bulletin. SERVICE BRAKES; UNKNOWN OR OTHER. Trailer Brake Information Displays In Cluster With No Trailer Connected.
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)
18004242024-03-18. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; SERVICE BRAKES; EXTERIOR LIGHTING. 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: ? **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. This bulletin involves reprogramming the PCM with the latest available software.
23002242024-03-18. Service bulletin. SERVICE BRAKES, AIR. Incorrect Air Dam Installed Customers may comment on the following: ? The front fascia may be damaged during off road driving/driving over obstacles (air dam sits too low allowing for sand intrusion) Fig. 1 This bulletin involves replacing the front air dam.
0824123A2024-01-16. Service bulletin. LANE DEPARTURE; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: Brake System Control Module (BSCM) Updates 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: ? **C0500-00 - Brake System Hydraulic Leak.** Customers may also experience: ? Brake warning lamp is illuminated. ? Firm brake pedal. NOTE: Brakes will function as normal. This bulletin involves updating the BSCM with the latest available software.
08241232024-01-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; LANE DEPARTURE. Brake Warning Lamp On In Cold Temperatures 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: ? C00500-00 - Brake System Hydraulic Leak. Customers may also experience: ? A brake warning lamp on in Instrument Panel Cluster (IPC) and a firmer brake pedal. NOTE: Brakes will function as normal. This bulletin involves updating the BSCM with the latest available software.
05005232024-01-08. Service bulletin. SERVICE BRAKES. Brake Pedal Adjustment Inoperable The adjustable brake pedal is inoperable. The braking function is not affected but the power adjustment does not work. The acceleration pedal can be power adjusted still. This bulletin involves inspecting and possibly replacing the brake and accelerator pedal assembly.
08055232024-01-02. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; WHEELS; ENGINE AND ENGINE COOLING; TRAILER HITCHES; STEERING; SERVICE BRAKES. 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.
05005232023-10-30. Service bulletin. SERVICE BRAKES. Brake Pedal Adjustment Inoperable The adjustable brake pedal is inoperable. The braking function is not affected but the power adjustment does not work. The acceleration pedal can be power adjusted still. This bulletin involves inspecting and possibly replacing the brake and accelerator pedal assembly.
S22080000042023-08-21. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; POWER TRAIN; STEERING. Adjustable Pedals Cannot Be Adjusted, Power Tilt Steering Will Not Adjust
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.

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