RAM 1500 2020 — technical service bulletin
Bulletin 9004289 · NHTSA communication 10221784 · issued Aug 19, 2020
Technical service bulletin
communication type
Visibility
component
2020
model years
1
vehicle entries
Official summary
COMPRESSOR, Air Conditioning, Complete Diagnosing the vehicle for poor A/C performance call: FCA Redacted Content before changing the compressor. If no response in 15 minutes, proceed with repair.
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.