{"nhtsa_id":11032992,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-28","date":"2026-05-18","document_id":"S2123000070 REV.A","mfr_campaign":null,"replaces":null,"component":"STEERING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"After Electric Power Steering (EPS) Replacement, Diagnostic Trouble Code (DTC) C221C-00 ECU Not Programmed/Flash Required Is Set","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032992-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032992-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032992","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"steering","name":"Steering","parent":null}],"codes":["C221C"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE 4XE","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_jeep_grand-cherokee"]},{"make":"JEEP","model":"GRAND CHEROKEE L","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_grand-cherokee-l"]}],"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":[]}