RAM 1500 2019–2022 — technical service bulletin
Bulletin S2224000001RevA · NHTSA communication 10225335 · issued Aug 4, 2022
Technical service bulletin
communication type
Visibility
component
2019–2022
model years
4
vehicle entries
Official summary
Customer indicates AC does not blow cool air. Possible DTC B11FE-11 or B11FE-15 Variable Compressor Control Circuits.
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.