RAM 1500 2020 — technical service bulletin
Bulletin 0300220 · NHTSA communication 10223960 · issued Oct 8, 2020
Technical service bulletin
communication type
Back Over Prevention
component
2020
model years
1
vehicle entries
Official summary
Front Axle Noise While in 4WD Mode This bulletin involves replacing the front axle assembly. The customer may experience a growling noise from the front axle which is more noticeable at lower speeds in 4WD mode.
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.