RAM 1500 2019–2020 — technical service bulletin
Bulletin 2400120 · NHTSA communication 10224097 · issued Nov 25, 2020
Technical service bulletin
communication type
Seats
component
2019–2020
model years
10
vehicle entries
Official summary
HVAC Housing Service This bulletin informing the Technician about an HVAC housing redesign with components that need to be serviced together when servicing the HVAC housing. Customers may experience the following:Poor Air conditioning system performance (Slow or excess time to cool down). HVAC is slow to cool, left center instrument panel outlet is warmer than right side instrument panel outlets.
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.