{"nhtsa_id":10203309,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-08","date":"2021-07-01","document_id":"SB21L001","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"DTC P225C CALIBRATION UPDATE ? REPROGRAM DEF CONTROL UNIT (DCU). Follow the diagnostic for this DTC. If no mechanical fault can be found during normal diagnosis, follow the service procedure in this bulletin to correct the concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203309-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203309-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203309","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P225C"],"topics":[],"vehicles":[{"make":"ISUZU","model":"F-SERIES","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]}],"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":[]}