HONDA
Service Bulletin
Manufacturer communications
- Publication date
- 2014-02-13
- Received by NHTSA
- 2018-03-12
- NHTSA record numbers
- 10129824
Manufacturer summary
Original wording in English
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).
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Honda
P0430catalyst system efficiency below thresholdHonda
P2247A/F sensor 1 circuit high voltageCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.