{"nhtsa_id":11023064,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-10","date":"2025-09-03","document_id":"03-007-25","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Service 4WD Light Illuminated Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● C1463-94 - Front Axle Disconnect Control-Unexpected Operation. Customers may experience one or more of the following: ● Service 4WD light is illuminated on the Instrument Panel Cluster (IPC). ● Unable to shift from two-wheel drive to four-wheel drive or four-wheel to two-wheel drive, it will stay in the current state This bulletin involves inspecting the serial number on the Front Axle Disconnect (FAD) housing to determine a build date and, if required, replacing the FAD assembly","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023064-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023064-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023064","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["C1463"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-cherokee-l"]}],"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":[]}