HONDA
AHPa06212018901
Manufacturer communications
- Publication date
- 2018-06-21
- Received by NHTSA
- 2018-07-16
- NHTSA record numbers
- 10142636
Manufacturer summary
Original wording in English
Dealer message - Today, June 21, 2018, American Honda is announcing a Warranty Extension for 2006-07 Accord Hybrid vehicles to address the MIL illuminating with DTC P0420 or P0430. Basic Problem - The ECM may misinterpret sensor inputs as deterioration of the warm-up catalytic converter, causing the MIL to illuminate with DTC P0420 (rear bank catalyst system efficiency below threshold [bank 1]) or P0430 (front bank catalyst system efficiency below threshold [bank 2]).
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Honda
P0420rear bank catalyst system efficiency below threshold [bank 1]Honda
P0430front bank catalyst system efficiency below threshold [bank 2]Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Honda | ACCORD HYBRID | 2007 |
| Honda | ACCORD HYBRID | 2006 |