# P1F77 on the 2017 Honda Clarity

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P1F77

- [10152744](https://open.wenmarpro.com/bulletins/10152744), 2019-02-10: "Service bulletin \- The vehicle may incorrectly set DTC P1F76 \(main hydrogen tank temperature sensor malfunction\) or P1F77 \(sub hydrogen tank temperature sensor malfunction\). The fuel cell communication control \(IR\) software is not current."
- [10118540](https://open.wenmarpro.com/bulletins/10118540), 2017-10-05: Tech line summary article \- A temperature sensor failure in the main hydrogen tank or sub hydrogen tank may cause DTC P1F76 \(main hydrogen tank temperature sensor malfunction\) or P1F77 \(sub hydrogen tank temperature sensor malfunction\) to set while fueling. We?re aware of this issue, and we currently have it under investigation.