Acura RDX 2019–2021 — technical service bulletin
Bulletin B21-028 · NHTSA communication 10203800 · issued Nov 23, 2021
Technical service bulletin
communication type
Power Train
component
2019–2021
model years
4
vehicle entries
Official summary
Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.
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.