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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
08-313-26 REV. A2026-08-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
08-313-262026-08-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
S26230000522026-08-13. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Airbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)
S2508000029 REV.A2026-08-13. Service bulletin. BACK OVER PREVENTION: WARNINGS. 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)
S2523000053 REV.C2026-08-13. Service bulletin. STEERING. Service Electric Power Steering (EPS) Message On Instrument Cluster. Rev B.
1138042026-08-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. MODULE - LIFTGATE
9100861 Rev 32026-08-06. Service bulletin. ENGINE. PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Inspect battery terminals for damage to rule out a battery drainage issue. 6) Ensure the PCM is up-to-date with the latest available flash. If correct repair is not performed then the claim or condition will be recovered by Warranty Operations.
91008712026-08-06. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry Outside Door Han Prior to replacing an inoperative passive entry door handle, perform Star Online S2523000089.
08-289-26 REV. A2026-08-06. Service bulletin. POWER TRAIN. Transmission Control Module (TCM) Diagnostic N/A - This bulletin was released in error. SYMPTOM:
18-074-262026-07-29. Service bulletin. ENGINE; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2AF6-00 - Starter Relay 3 Stuck Off (with DBSM). ● P014B-00 - O2 Sensor 2-2 Delayed Response-Lean To Rich. ● P062B-00 - Internal Control Module Fuel Injector Control Performance. Customers may also comment on the following: ● Engine Stop/Start (ESS) inoperative with "Auto Stop Start Not Ready" message in Instrument Panel Cluster (IPC). The following software enhancements are also available: ● Update to enable Exhaust Gas Recirculation (EGR) disable during gear shift for smoother shifting. ● Update for the Brake System Control Module (BSCM) MIL illumination request not setting the MIL on the Powertrain Control Module (PCM). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
08-289-262026-07-29. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Transmission Control Module (TCM) Diagnostic Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following DTCs: ● P2797-00 - Auxiliary Transmission Fluid Pump Performance ● P1625-00 - Park Pawl System Failure NOTE: Park system still functions, no impact to park engagement. NOTE: Vehicle will not experience unintended movement. Customers may also experience one or more of the following: ● Vehicle no start due to battery discharge. ● 'Start/stop inop' message. ● 'Service Transmission' message on in Instrument Panel Cluster (IPC).
S2523000053 REV.B2026-07-23. Service bulletin. ELECTRICAL SYSTEM; STEERING. Service Electric Power Steering (EPS) Message On Instrument Cluster. Rev B.
9100861 Rev 12026-07-23. Service bulletin. ENGINE. PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Inspect battery terminals for damage to rule out a battery drainage issue. 6) Ensure the PCM is up-to-date with the latest available flash.
1132762026-07-18. Service bulletin. UNKNOWN OR OTHER. CORE – HEATER
1132772026-07-18. Service bulletin. UNKNOWN OR OTHER. CORE – HEATER
91008612026-07-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Ensure the PCM is up-to-date with the latest available flash. 6) Inspect battery terminals for damage to rule out a battery drainage issue.
9100833 REV12026-07-18. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector is fully installed. Then perform 3 keys cycles and listen to hear if the fuel pump is operational. If the fuel pump is heard that indicates that everything is operating correctly. If the pump is heard replacement is not necessary, any replacement will function in the same way.
S2508000025 REV. B2026-07-08. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
1132752026-07-08. Service bulletin. ELECTRICAL SYSTEM. MOTOR - POWER RUNNING BOARD
1131232026-07-08. Service bulletin. SERVICE BRAKES. SPRING KIT - DISC BRAKE PAD
21-053-262026-07-08. Service bulletin. POWER TRAIN. Service Transmission Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2797-00 - Auxiliary Transmission Fluid Pump Performance. Customers may also comment on the following: ● Engine Stop-Start (ESS) does not operate. ● "Service Transmission" message displayed in the Instrument Panel Cluster (IPC). This bulletin involves inspecting and possibly replacing the transmission oil pump motor.
08-255-262026-07-08. Service bulletin. ELECTRICAL SYSTEM. Navigation Won't Load On Home/Split Screen Customers may experience the following: SYMPTOM: ● Factory navigation won't load on the Home/Split screen Fig. 1.
S2508000025 REV.A2026-07-02. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
90 Combo Rev22026-07-02. Service campaign. FUEL/PROPULSION SYSTEM. CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA Purge Valve Hose SYMPTOM DESCRIPTION The purge valve hose on about 15,000 of the above vehicles may become disconnected from the intake manifold or the purge solenoid. This condition can cause an engine misfire, rough running and hard starting. In addition, the Malfunction Indicator Lamp (MIL) may illuminate on the instrument panel cluster.
91008482026-07-02. Service bulletin. ELECTRICAL SYSTEM. If the Driver/Passenger Seat Adjsuter Switch is inoperable, seat back will not move or seat moves on its own: 1.Which function is not operating properly? *Forward/Backward *Recline Forward *Recline Backward *Height Adjustment *Multiple Functions 2.Is the concern constant or Intermittent? 3.If intermittent, how often does it occur? Daily, Weekly, Randomly 4.Does the seat move on its own without pressing any switch? Yes / No 5.Does the issue occur only while driving, only at key-on, or while the vehicle is parked? 6.Has the concern occurred after the vehicle has been sitting for an extended period (overnight or several hours)? 7.Does pressing the switch multiple times temporarily restore operation? 8.Have any other seat functions or electrical features been affected at the same time? 9.Has the seat adjuster switch or seat assembly been previously repaired or replaced? Before replacing the seat adjuster switch, verify power, ground, connector engagement, wiring integrity, and inspect for blown fuses or damaged harnesses. If no external issues are found and the concern is verified, an intermittent internal switch failure should be considered.

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