RAM 1500 2019 — technical service bulletin
Bulletin 2302922REVA · NHTSA communication 10226042 · issued Sep 22, 2022
Technical service bulletin
communication type
Structure
component
2019
model years
1
vehicle entries
Official summary
Active Air Dam Not Functioning - X96 Warranty Extension This bulletin involves replacing the active front air dam. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find thatthe following Diagnostic Trouble Code (DTC) has been set: U0645 - Lost Communication With Active Air Dam Module. The customer may also comment on the following: The Active Air Dam is inoperable.
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.