{"nhtsa_id":10243250,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-02","date":"2023-08-11","document_id":"0814623","mfr_campaign":null,"replaces":null,"component":"STEERING","mfr_system":null,"summary":"Flash: Electric Power Steering (EPS) Module Updates The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? **C221F-00 - ECU Not Initialized.** ? C1592-00 - Electronic Power Steering Motor Circuit. ? C1593-00 - Steering Torque Sensor Circuit. ? C2217-00 - Electric Power Steering Module Internal. The customer may also experience one or more of the following: ? Loss of steering assist and illuminated steering light in the Instrument Panel Cluster (IPC). ? Lack of power steering assist at vehicle start up with no DTC. This bulletin involves updating the EPS module with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243250-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243250-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243250","components":[{"id":"steering","name":"Steering","parent":null}],"codes":["C1592","C1593","C2217","C221F"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND WAGONEER","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_jeep_grand-wagoneer"]},{"make":"JEEP","model":"WAGONEER","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_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":[]}