Honda Odyssey 2017–2019 — technical service bulletin
Bulletin A19-073 · NHTSA communication 10187005 · issued Feb 11, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
7
vehicle entries
Official summary
Service Bulletin - MIL Comes On with DTC P0430 or P0430 with P030X, P219A, P219B (Without Software Update)
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.