{"nhtsa_id":11034360,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-02","date":"2026-06-26","document_id":"08-248-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"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).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034360-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034360-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034360","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-cherokee-l"]},{"make":"JEEP","model":"GRAND WAGONEER","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_jeep_grand-wagoneer","2026_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_jeep_wagoneer","2025_jeep_wagoneer"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}