RAM 2500 2013–2014 — technical service bulletin
Bulletin 1801014 · NHTSA communication 10231991 · issued Nov 14, 2014
Technical service bulletin
communication type
Electrical System
component
2013–2014
model years
8
vehicle entries
Official summary
Doser Control Unit (DCU), Heater Thaw Time Improvements And MIL Illumination
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.