RAM 1500 2019–2021 — technical service bulletin
Bulletin S2123000034 · NHTSA communication 10230047 · issued May 17, 2021
Technical service bulletin
communication type
Suspension
component
2019–2021
model years
3
vehicle entries
Official summary
C15A1-00 Unable To Obtain Desired Ride Height Service Air Suspension Message On Cluster
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.