Acura RDX 2019–2023 — technical service bulletin
Bulletin B23-010 · NHTSA communication 10252481 · issued Mar 27, 2024
Technical service bulletin
communication type
Power Train
component
2019–2023
model years
8
vehicle entries
Official summary
Service Bulletin - During engine start in cold conditions, a miscalculation in the PCM causes the air-fuel ratio to exceed DTC rich criteria.
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.