RAM 1500 2022 — technical service bulletin
Bulletin S238A000007 · NHTSA communication 10234419 · issued Feb 10, 2023
Technical service bulletin
communication type
Structure
component
2022
model years
5
vehicle entries
Official summary
Radio Loss Of Communication To Body Control Module (BCM) Diagnostic trouble Code (DTC) U0140-00
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.