ACURA
B20-050
Manufacturer communications
- Publication date
- 2020-12-09
- Received by NHTSA
- 2020-12-19
- NHTSA record numbers
- 10184335
Manufacturer summary
Original wording in English
Service Bulletin - The vehicle may not start upon first press of the ENGINE START/STOP button. Also, MID displays the error message KEYLESS START SYSTEM ERROR, and DTC B12C5 (Engine Start/Stop Switch Failure) is stored. American Honda is extending the warranty for the keyless start system on these vehicles to 9 years from the original date of purchase or 125,000 miles, whichever comes first.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Acura
B12C5Engine Start/Stop Switch FailureCheck 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 |
|---|---|---|
| Acura | NSX | 2017 |