Acura MDX 2014–2018 — technical service bulletin
Bulletin B17-034 · NHTSA communication 10129426 · issued Jan 24, 2018
Technical service bulletin
communication type
Electrical System
component
2014–2018
model years
15
vehicle entries
Official summary
Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.
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.