{"nhtsa_id":10140046,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2017-03-24","document_id":"25-003-17","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"Flash: Dosing Control Unit (DCU) Diagnostic And System Improvements This bulletin involves reprogramming the DCU with the latest available software and if necessary replacing the unit. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes (DTCs): P207F - Reductant Quality Performance. P202C - Reductant Tank Heater Control Circuit High. P203B - Reductant Level Sensor 1 Circuit Performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10140046-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10140046-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140046","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":["P202C","P203B","P207F"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_ram_2500"]},{"make":"RAM","model":"3500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_ram_3500"]},{"make":"RAM","model":"4500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_ram_4500"]}],"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":[]}