DTC P0452

The scan tool indicates Diagnostic Trouble Code (DTC) P0452: A low voltage problem in the Fuel Tank Pressure sensor.

The fuel tank pressure sensor converts fuel tank absolute pressure into electrical signals and inputs the ECM/PCM.

Fig 1: Evaporative Emission Controls Troubleshooting Flowchart - P0452 (1 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Evaporative Emission Controls Troubleshooting Flowchart - P0452 (2 Of 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.