DTC P0450 (2020 2021 2022 2023): General Description

Courtesy of HONDA, U.S.A., INC.

The fuel tank pressure (FTP) sensor is installed on the evaporative emission (EVAP) canister and detects the fuel tank pressure of the EVAP system. If the FTP sensor output voltage is a set value for a specified time, the powertrain control module (PCM) detects a malfunction and stores a DTC.