{"nhtsa_id":11018678,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-30","date":"2025-05-21","document_id":"08-094-25 REV. A","mfr_campaign":null,"replaces":null,"component":"STEERING; ELECTRICAL SYSTEM","mfr_system":"Electric Power Steering","summary":"\"Flash: Electric Power Steering (EPS) Module Updates 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): ● **U0420-00 - Invalid Data Received From Power Steering Control Module.** ● C2217-00 - Electric Power Steering Module Internal. ● C221F-00 - ECU Not Initialized. ● C1592-00 - Electronic Power Steering Motor Circuit. ● C1593-00 - Steering Torque Sensor Circuit. Customers may also experience the following: ● Loss of steering assist and/or a steering warning light on in the Instrument Panel Cluster (IPC). NOTE: **If the power steering assist is lost, it will remain out until the next key cycle. This bulletin involves updating the EPS module with the latest available software. \"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018678-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018678-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018678","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"steering","name":"Steering","parent":null}],"codes":["C1592","C1593","C2217","C221F","U0420"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["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":[]}