RAM 2500 2020 — technical service bulletin
Bulletin 0810120 · NHTSA communication 10224087 · issued Nov 14, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
4
vehicle entries
Official summary
Heating, Ventilation and Air Conditioning (HVAC) Controls Inoperative This bulletin involves replacing the HVAC module. Customers may experience not being able to change the HVAC modes, both on the radios display or HVAC controls.
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.