{"nhtsa_id":11032976,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-28","date":"2026-05-21","document_id":"08-221-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"R1H Radio U41.10 USB Software Update Customers may experience one or more of the following: ● **FCW OFF light ON with no DTCs and can't turn off. ● Blank screen and then reboot every 2 minutes and 40 seconds. (Rearview Camera (RVC) 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 FOTA. ● Valet mode sends duplicate requests causing HU 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 HMI 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 FPDM display. ● Surround view camera accessible while driving across apps (unexpected behavior). ● IPC navigation map fails to load despite HU 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 VR; selected message not read. ● Preset bar appears blank after overnight sleep cycle. ● FM channel switches unexpectedly and reverts after delay. ● Massage activation causes HU 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. ● HU toggles between Home and Media screens without user input. ● Phantom touch causes navigation to switch from full screen to split view. ● HU redirects to CarPlay tab when exiting camera unexpectedly.** ● Unable to select the Turn by Turn Navigation. ● Blank Performance Pages (Rearview Camera (RVC) Functions Normally). ● Android Auto® Voice Recognition (VR) inoperative. ● Media tuner delayed. ● Charge Schedule not accepting updates via phone (RVC Functions Normally). ● Ambient light inoperative. ● Map in Instrument Panel Cluster (IPC) inoperative. ● Media Widget blank. ● Navigation map black. ● Off-Road Pages inoperative (RVC Functions Normally). ● VR inoperative. ● Incorrect song title displayed (Carplay® only). ● Radio display switches from Media Page to Home Page (RVC Functions Normally). ● Ghost touch on Navigation screen (RVC 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 (RVC Functions Normally) This bulletin involves inspecting and if required, updating the radio software level to **U41.10.** Depending on the radio's current software level the radio may need a one or two USB update.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032976-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032976-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032976","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2025,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee","2022_jeep_grand-cherokee","2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2021,"year_to":2025,"match":"base","vehicle_ids":["2021_jeep_grand-cherokee","2022_jeep_grand-cherokee","2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2021,"year_to":2025,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee-l","2022_jeep_grand-cherokee-l","2023_jeep_grand-cherokee-l","2024_jeep_grand-cherokee-l","2025_jeep_grand-cherokee-l"]},{"make":"JEEP","model":"GRAND WAGONEER","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_jeep_grand-wagoneer","2023_jeep_grand-wagoneer","2024_jeep_grand-wagoneer","2025_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2022,"year_to":2025,"match":"exact","vehicle_ids":["2022_jeep_wagoneer","2023_jeep_wagoneer","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":[]}