{"nhtsa_id":10141410,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2018-04-25","document_id":"K21134562","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"Selective Catalytic Reduction ( SCR ) Efficiency And Diesel Exhaust Fluid ( DEF ) Dosing Valve Diagnostic Trouble Codes ( DTC ) P208E, P103C, P0422, P20EE, P207F, P225E; Dosing Valve Diagnostic Information TO BE USED BEFORE DEF DOSING VALVE REPLACEMENT - OBD13 And Newer Emissions (Commonly Model Year 2014 And Newer)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10141410-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10141410-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10141410","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["P0422","P103C","P207F","P208E","P20EE","P225E"],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","year_from":null,"year_to":null,"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":[]}