{"nhtsa_id":11006985,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-09-04","date":"2024-08-30","document_id":"21-048-24","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Transfer Case: Active Shift Motor","summary":"\"Transfer Case Active Shift Motor Replacement Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C1444-98 - T-Case Motor Overuse-Component Or System Over Temperature. ● C1477-4B - Transfer Case Clutch-Over Temperature. Customers may also comment on the following: ● \"\"4WD Overheated Temporarily Unavailable\"\" message displayed in the Instrument Panel Cluster (IPC). This bulletin involves replacing the transfer case shift motor.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006985-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006985-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11006985","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["C1444","C1477"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_jeep_grand-wagoneer","2023_jeep_grand-wagoneer","2024_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_jeep_wagoneer","2023_jeep_wagoneer","2024_jeep_wagoneer"]},{"make":"RAM","model":"1500","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_ram_1500","2023_ram_1500","2024_ram_1500"]}],"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":[]}