DTC P0453 Acura
Fuel Tank Pressure (FTP) Sensor Circuit High Voltage
Fuel Tank Pressure (FTP) Sensor Circuit High Voltage
Description
Elapsed time after starting the engine is 2 seconds at idle. The execution time is once per driving cycle and the duration time is 3 seconds or more. If the FTP sensor output voltage is higher than a target value within a set time after starting the engine in a cold condition. The output from the fuel tank pressure sensor is more than 8 kPa (2.2 in. Hg, 55 mmHg) for at least 3 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at the FTP sensor and the PCM
Open in the wire between the PCM and the FTP sensor
Faulty FTP sensor
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P0453
- Brand: Acura