{"nhtsa_id":10201066,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-04","date":"2021-08-31","document_id":"TSB 21-2287","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This article supersedes TSB 17-0068 to update the Service Procedure and Parts List. Some 2016-2017 F-650/F-750 vehicles equipped with a 6.7L diesel engine and built on or before 21-Aug-2017 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P203B. This may be due to a low voltage condition during engine cranking. To correct this condition, reflash the diesel exhaust fluid (DEF) reductant level sensor/quality module using the Urea Sensor Reprogramming tool.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201066-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201066-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201066","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P203B"],"topics":[],"vehicles":[{"make":"FORD","model":"F-650 SD","year_from":2016,"year_to":2017,"match":"base","vehicle_ids":["2016_ford_f-650","2017_ford_f-650"]},{"make":"FORD","model":"F-750 SD","year_from":2016,"year_to":2017,"match":"base","vehicle_ids":["2016_ford_f-750","2017_ford_f-750"]}],"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":[]}