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Service bulletins for the 2026 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.

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

By type

By component

By trouble code

Bulletins, newest first
S25020000012025-12-11. Service bulletin. SUSPENSION. Lower Ball Joint / Lower Control Arm Servicing Updates.
08-394-252025-12-11. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure
S25230000892025-11-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock.
1084582025-11-26. Service bulletin. UNKNOWN OR OTHER. DETECTOR - EVAPORATIVE SYSTEM INTEGRITY MODULE
1084612025-11-26. Service bulletin. UNKNOWN OR OTHER. DETECTOR - EVAPORATIVE SYSTEM INTEGRITY MODULE
S2308000034 REV.A2025-11-19. Service bulletin. ELECTRICAL SYSTEM. No Wireless Charging Or Slow Wireless Charging
S25080001002025-11-13. Service bulletin. ELECTRICAL SYSTEM. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
91007082025-11-05. Service bulletin. ELECTRICAL SYSTEM. DTC B1E21 is triggered when the TBM Backup Battery is discharged, inactive, or drained. This can happen during the lifetime of the vehicle. TBM should not be replace for B1E21, since there is no fault on TBM. TBM battery is replaceable. Part number of the back-up battery inside TBM is 68597650AA.
S25080000952025-11-05. Service bulletin. UNKNOWN OR OTHER. Cluster Displays “Blindspot Alert Unavailable Service Required” Warning Message, Driver/Passenger Mirror Blind Spot Detection Lights Stay ON, ADAS Features Disabled. Multiple DTC’s Active Or Stored
S25090000092025-11-05. Service bulletin. ENGINE. Engine Oil Leak
S25080000912025-10-29. Service bulletin. ELECTRICAL SYSTEM. Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection
9100672 Rev 32025-10-29. Service bulletin. POWER TRAIN. Replacement components for transfer case are no longer available. To repair issue, use the following part numbers and follow the I-sheet instructions for assembly: 68738079AA - HOUSING 68738084AA - CAM 68738085AA - GEAR 68737112AA - PLATE Please note that the part numbers listed here are transfer case components, not full transfer case part numbers.
1056462025-10-15. Service bulletin. STEERING. MODULE - STEERING CONTROL & COLUMN
S25240000122025-10-15. Service bulletin. UNKNOWN OR OTHER. High Voltage Air Conditioning Refrigerant Dye
S25220000032025-10-15. Service bulletin. WHEELS. Tire Pressure Monitor (TPM) Warning Lamp On Or Flashing. Sensor(s) Not Reading And Or Showing Dashes.
S25230000832025-10-08. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry Outside Door Handle Does Not Unlock Or Lock The Vehicle Doors.
S25180000082025-10-02. Service bulletin. ENGINE. Malfunction Indicator Lamp (MIL) Is On
S25050000082025-10-02. Service bulletin. SERVICE BRAKES. C0044-00-BRAKE PRESSURE SENSOR 1 (MODULE, Brake System Control 2 (BSCM 2))
9100672 Rev 12025-10-02. Service bulletin. UNKNOWN OR OTHER. Replacement T-Case is no longer available. To repair issue, use the following parts numbers and follow the I-sheet instructions for assembly: 68738079AA - HOUSING 68738084AA - CAM 68738085AA - GEAR 68737112AA - PLATE
91006712025-09-24. Service bulletin. ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order "68" part number for New unsold units only.
OTHERDOC_1492025-09-17. Over-the-air update. ELECTRICAL SYSTEM. Global Telematics Box Module Over The Air Update from R5C1 and R5O1 to R5T TBM2.H Software Version (FOTA) Customers may experience one or more of the following: - Error display of "Uconnect Box Requires Service" popups; [ TBM DTCs B1560, B1561, B1562 - Antenna loose connection ]. - TBM sleep mode not working causing battery drain in some cases. - Error display of "Uconnect Box Requires Service/Wifi Unavailable" pop ups; [ TBM DTC B22A9-96 Internal Performance Failure ].
91005992025-05-29. Service bulletin. ELECTRICAL SYSTEM. Underhood start/stop safety 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. - DTC P152F Customers may also experience: - Start/Stop system warning light. - Start/Stop inoperable. - Remote start inoperable. Diagnosis: - Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library, verify all related systems are functioning as designed. If DTCs or symptom conditions, other than the one listed are present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin. - If any vehicle exhibits any of the symptoms listed above in the customer symptom section, perform the Repair Procedure. - Special Tools/Equipment: wiTECH or equivalent. Repair Procedure: 1. Open the hood and locate the hood switch 2. Push in on the two locking tabs and pull them out. 3. Disconnect the wire connector from the switch. 4. Connect the wires to the same hood switch. 5. Push the switch back into the hold until both lock tab are engaged. 6. Clear all DTCs that may have been set in any module during this repair procedure. 7. In case the P152F/P152E DTCs persist, repeat the procedure with a new/spare/known good switch and repeat steps 5 and 6. 8. Replace switch installed during previous step for the original switch of the vehicle. If DTCs P152F/P152E are not present, leave the original switch installed and do not document the change of the switch in the repair process/narrative.
1051302025-05-19. Warranty extension. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. D-25-11 FFB Prog - Front & Rear Turbo Assem, Turbo Wiring Assem and Fuel Rail Assem - 2026 WS/DT with 3.6L Hurricane SO Twin Turbo Engine

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