Honda Pilot 2023–2025 — technical service bulletin
Bulletin A25-006 · NHTSA communication 11021747 · issued Jul 22, 2025
Technical service bulletin
communication type
Engine
component
2023–2025
model years
3
vehicle entries
Official summary
"Service Bulletin - Burning oil smell from under hood and/or MIL comes on with DTC P2096 and/or P2270 due to possible porosity in the cylinder head cover bolt hole may cause oil to weep out onto Bank 1 (Rear Cylinder Head) catalytic converter and oxygen sensor. Some cases will turn on the MIL, setting DTC P2096 and/or P2270."
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.