RAM 2500 2019–2020 — technical service bulletin
Bulletin S2018000005 Rev. · NHTSA communication 10215893 · issued Jan 21, 2021
Technical service bulletin
communication type
Back Over Prevention
component
2019–2020
model years
6
vehicle entries
Official summary
Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Code (DTC) P046C ? Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Low Set.
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.