Honda Pilot 2009–2013 — technical service bulletin
Bulletin WE - A13-082 · NHTSA communication 10099105 · issued Sep 5, 2015
Technical service bulletin
communication type
Engine
component
2009–2013
model years
5
vehicle entries
Official summary
Service bulletin - warranty extension: mil comes on with dtcs p0301 thru p0304 - the piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set dtcs p0301 no. 1 cylinder misfire detected, p0302 no. 2 cylinder misfire detected, p0303 no. 3 cylinder misfire detected, p0304 no. 4 cylinder misfire detected, and cause the mil to come on.
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.