RAM 2500 2013–2014 — technical service bulletin
Bulletin 18-010-14 REV. A · NHTSA communication 10139836 · issued Nov 14, 2014
Technical service bulletin
communication type
Fuel System, Diesel
component
2013–2014
model years
8
vehicle entries
Official summary
Flash: Doser Control Unit (DCU), Heater Thaw Time Improvements And MIL Illumination This bulletin involves selectively erasing and reprogramming the Doser Control Unit (DCU) with new software. Software improvements are available for the Diesel Exhaust Fluid (DEF) DCU on vehicles equipped with a Cummins 6.7L turbo Diesel. The software contains improvements for the following: Increase in DEF thaw time when ambient and DEF tank temperatures are below -14°C. (7°F.). P208D - (DIESEL EXHAUST FLUID) REDUCTANT PUMP CONTROL CIRCUIT HIGH P202E - (DIESEL EXHAUST FLUID) REDUCTANT INJECTOR 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.