{"nhtsa_id":10140171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-04-02","document_id":"18-039-16","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. These DTCs have been changed from a one trip fault to a two trip fault: · P2280 - Air Flow Restriction / Leak Between Air Cleaner And MAF. · P203C - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit Low. · P208D - (Diesel Exhaust Fluid) Reductant Pump Control Circuit High. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. · P207F - Reductant Quality Performance. · P218F - Reductant No Flow Detected. · U110E - Lost Ambient Temperature Message. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · Ambient Air Temperature Improvements. · Stationary de-soot with WiTech fix.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140171-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140171-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140171","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P1C55","P203C","P207F","P208D","P218F","P2280","U110E"],"topics":[],"vehicles":[{"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":[]}