Honda Odyssey 2016–2018 — technical service bulletin
Bulletin A17-036 · NHTSA communication 10118004 · issued Sep 13, 2017
Technical service bulletin
communication type
Power Train
component
2016–2018
model years
4
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.
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.