{"nhtsa_id":11014380,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-20","date":"2025-02-14","document_id":"21-016-25","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Transmission Valve Body","summary":"\"Valve Body 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): ● U0101 - Lost Communication With The Transmission Control Module (TCM). ● U0402 - Implausible Data Received From TCM. ● U0418 - Implausible Data Received From Brake System Control Module 1. Customers may also comment on the following: ● Vehicle will go in limp-in mode. After limp-in mode, once in park the vehicle will not shift in gear. This bulletin involves replacing the Transmission Valve Body.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014380-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014380-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014380","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["U0101","U0402","U0418"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_jeep_grand-wagoneer","2025_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":[]}