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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
1129792026-07-02. Service bulletin. ELECTRICAL SYSTEM. CAMERA - REAR VIEW
1129802026-07-02. Service bulletin. ELECTRICAL SYSTEM. CAMERA - REAR VIEW
08-248-262026-07-02. Service bulletin. ELECTRICAL SYSTEM. Upcoming R1H Radio Over The Air Update U41.10 Software Version The customer may comment on one or more of the following: ● 'Forward Collision Warning (FCW) OFF' light ON, with no Diagnostic Trouble Codes (DTCs) and can't turn light off. ● Blank screen and then reboot every 2 minutes and 40 seconds. (Rearview Camera Functions Normally). ● Paddle shifters not working/no longer a setting. ● Autolocks not working. ● Auto headlights not working. ● AM station not working (Appears some of the vehicles PROXI defaults to "1" which is absent for AM). ● Album Art flickering issue. ● Blank screen and then reboot every 2 minutes and 40 seconds. ● CarPlay® icon disappears from main screen while still active, leaving no navigation path back. ● Light/dark theme mismatch between Radio and temperature screens at key-on Radio experiences lockups, resets, blank screens, and language issues after a Firmware Over The Air (FOTA) updated. ● Valet mode sends duplicate requests causing Heads Up Display (HUD) and vehicle state misalignment. ● Rear seat media page intermittently shows a blank screen. ● Unable to select or drag 'Pitch and Roll' widget on home screen. ● USB playback resumes incorrectly, skipping to next track after reconnect. ● Album art not displayed on display screen despite availability in media. ● Incorrect call timer displayed for conference calls. ● Call status remains 'active' on widget after call ends. ● Second call status not updated on home screen widget. ● Rear entertainment tab intermittently blank when switching apps. ● System crashes for 20 to 30 seconds after voice reply action. ● Media progress bar continues incorrectly after second call acceptance. ● CarPlay® device fails to reconnect automatically or manually. ● Rear HVAC lock/unlock text missing while icon is present. ● Visual glitch observed on Front Passenger Display Module (FPDM) display. ● Surround View Camera (SVC) accessible while driving across apps (unexpected behavior). ● Instrument Panel Cluster (IPC) navigation map fails to load despite radio showing navigation. ● HUD layout resets after overnight sleep cycle. ● ParkSense triggers unintended surround camera activation. ● HUD settings not retained after ignition cycle. ● Audio focus stuck on Voice Recognition (VR); selected message not read. ● Preset bar appears blank after overnight sleep cycle. ● FM channel switches unexpectedly and reverts after delay. ● Massage activation causes HUD black screen/media disruption. ● Non-applicable ambient lighting setting visible in vehicle menu. ● Navigation screen appears black after system startup. ● Track name flickers on status bar during CarPlay® playback. ● HUD toggles between Home and Media screens without user input. ● Phantom touch causes navigation to switch from full screen to split view. ● HUD redirects to CarPlay® tab when exiting camera unexpectedly. ● Unable to select the Turn by Turn Navigation. ● Blank Performance Pages (Rearview Camera Functions Normally). ● Android Auto® VR inoperative. ● Media tuner delayed. ● Charge Schedule not accepting updates via phone (Rearview Camera Functions Normally). ● Ambient light inoperative. ● Map in IPC inoperative. ● Media Widget blank. ● Navigation map black. ● Off-Road Pages inoperative (Rearview Camera Functions Normally). ● VR inoperative. ● Incorrect song title displayed (Carplay® only). ● Radio display switches from Media Page to Home Page (Rearview Camera Functions Normally). ● Ghost touch on Navigation screen (Rearview Camera 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 (Rearview Camera Functions Normally).
23-023-262026-07-02. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Noisy Power Side Step Customers may comment on the following: ● A ratcheting/creaking noise can be heard at the end of the power side steps (running boards) deployment and at the beginning and end of retract This bulletin involves cleaning, tightening, applying Loctite 290 and testing both power side steps.
08-247-262026-07-02. Service bulletin. ELECTRICAL SYSTEM. Flash: Smart Lighting Module Left (SLML) Updates Customers may experience one or more of the following: ● Turn signal indicator in the Instrument Panel Cluster (IPC) blinks ON/OFF at a faster than normal pace. ● Turn signal lamp blinks but the lighting is not sweeping when activated. ● Decorative turn signal lamp does not turn on when activated. NOTE: Turn signal operation still meets the regulatory requirements. This bulletin involves inspecting and possibly reprogramming the SLML with the latest software.
S268A0000142026-07-02. Service bulletin. ELECTRICAL SYSTEM. Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
S1623000028 Rev. K2026-06-18. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
91008182026-06-18. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Power Side-Steps/Running Boards not working properly, stuck or inoperable due to DTCs: B1DB2-13 - Left Power Side Step Motor - Circuit Open / B1DB3-13 - Right Power Side Step Motor - Circuit Open B1DB4-39 - Left Power Side Step Position Sensor - Signal Has Too Few Pulses / B1DB5-39 - Right Power Side Step Position Sensor - Signal Has Too Few Pulses Please do not replace the motors or the module if you're seeing this DTCs coming up Write/record the DTCs in the narrative Please refer to the DTC service manuals available in the Service Library to root cause and repair accordingly
91008322026-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Before replacing the starter, please follow the published diagnostics in the Service Information at 08 - Electrical / 8F - Engine Systems / Starting / Diagnosis and Testing / STANDARD STARTING SYSTEM. Updates to this procedure have been recently made and should be followed.
91008342026-06-18. Service bulletin. ELECTRICAL SYSTEM. Ambient cabin light fault B2811-02 inop. If Ambient Lights can change color and intensity, do not replace Auxiliary/Ambient Lighting Module (ALM). Follow the diagnostic for B2811-02. Before replacing, verify the vehicle PROXI is correct for the vehicle (2-row/3-row). If PROXI is incorrect, re-PROXI and then perform a hard reset of the ALM.
S26080000262026-06-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Power Liftgate Will Not Power to a Fully Open Position, Adjustable Power Liftgate Height
S2624000004 REV.A2026-06-03. Service bulletin. ELECTRICAL SYSTEM. A/C Inoperative, A/C Relay Not Engaging.
S1623000028 REV.I2026-06-03. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
1118342026-05-20. Service bulletin. ELECTRICAL SYSTEM. SENSOR – KNOCK
1118332026-05-20. Service bulletin. ELECTRICAL SYSTEM. SENSOR – KNOCK
1118312026-05-20. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. SENSOR – KNOCK
1118302026-05-20. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. SENSOR – KNOCK
9100786 Rev 12026-05-20. Service bulletin. ELECTRICAL SYSTEM. TBM2.0H Setting U0080-00. Do not replace TBM ECU or SGW. If replacement is determined, 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. Under certain conditions, SGW Module may take longer to establish Ethernet communication after boot up. If it takes longer than 30 seconds, The TBM2.0H module will set DTC U0080 - Ethernet Bus 1. As soon as SGW responds, the TBM2.0H will demature the DTC and move it to STORED. This issue should not cause any customer related symptoms. Do not replace the following TBM Part Numbers: WL: 68639445AF,68637489AE,68663479AE. WS: 68734941AA,68729188AC. EJ: 68592344AI. KM: 68592343AL,68735975AD. DT: 68634362AJ,68624784AF,68624784AE,68735493AB,68735493AA. DJ (HDCC): 68608721AJ. If the TBM2.0H module has set the DTC U0080 and it is STORED or ACTIVE, please clear the fault and do nothing. No further diagnostics is required. ---------------------------------------------------------------------------------------------------- TBM2.0H Setting DTC B1E21 Do Not Replace the TBM ECU. 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. Do not replace the following TBM Part Numbers: WL: 68639445A$, 68663479A$. -------------------------------------------------------------------------------------------------------- TBM Setting DTC U0499-00 Please refer to SOL S268A000004 if you are attempting to replace or repair the telematics box due to DTC U0499-00. This DTC does not cause direct customer impact and cannot be cleared. Engineering is working on TBM software enhancements, tentative Q2 2026. Do not replace the following TBM Part Numbers: KM: 68592343A$
08-208-26 REV. A2026-05-20. Service bulletin. ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.
08-208-262026-05-20. Service bulletin. ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
08-207-262026-05-20. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay
S248A000015 REV.A2026-05-20. Service bulletin. ELECTRICAL SYSTEM. Poor Audio Quality And Or Static From Wireless Devices
08-208-262026-05-13. Service bulletin. ELECTRICAL SYSTEM. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
08-207-262026-05-13. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay
S248A000015 REV.A2026-05-13. Service bulletin. ELECTRICAL SYSTEM. Poor Audio Quality And Or Static From Wireless Devices

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