Dodge Ram 1500 2008 — technical service bulletin
Bulletin 9001764 · NHTSA communication 10191441 · issued Feb 22, 2021
Technical service bulletin
communication type
Visibility
component
2008
model years
1
vehicle entries
Official summary
Noise coming from the rear HVAC blower due to interference.
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.