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February 13, 2014 Service bulletin

The MIL is on with DTC P0420 or DTC P0430 (catalyst system efficiency below threshold) with a possible DTC...

Honda technical service bulletin Service Bulletin for 2010 Honda Accord, 2010 Honda Odyssey and 2011 Honda Pilot and others.

Bulletin number
Service Bulletin
Component
Electrical system
Summary
Service bulletin - The MIL is on with DTC P0420 or DTC P0430 (catalyst system efficiency below threshold) with a possible DTC P2243 or DTC P2247 (A/F sensor 1 circuit high voltage). One or both primary A/F Sensor (Air Fuel Ratio) caps may have fallen off and bored a hole through the affected WU-TWC (Warm Up Three Way Catalyst).

Owners of these vehicles have filed 92 complaints in the electrical category.

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