RAM 2500 2017 — technical service bulletin
Bulletin 25-002-17 · NHTSA communication 10217557 · issued Mar 10, 2017
Technical service bulletin
communication type
Exterior Lighting
component
2017
model years
3
vehicle entries
Official summary
Flash: Dosing Control Unit Diagnostic And System Improvements This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination specifically in cold weather. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC): P207F - Reductant Quality Performance.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.