{"nhtsa_id":11022007,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-21","date":"2025-08-15","document_id":"21-016-25 REV. C","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"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 the vehicle enters limp-in mode and has been shifted into Park, the vehicle will not shift into a forward or reverse gear This bulletin involves replacing the transmission valve body assembly.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022007-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11022007-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11022007","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["U0101","U0402","U0418"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2023,"year_to":2025,"match":"base","vehicle_ids":["2023_jeep_grand-cherokee","2024_jeep_grand-cherokee","2025_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_jeep_grand-cherokee-l","2024_jeep_grand-cherokee-l","2025_jeep_grand-cherokee-l"]},{"make":"JEEP","model":"GRAND WAGONEER","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_jeep_grand-wagoneer","2024_jeep_grand-wagoneer","2025_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_jeep_wagoneer","2024_jeep_wagoneer","2025_jeep_wagoneer"]},{"make":"RAM","model":"1500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_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":[]}