LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P0453 - EVAP System Pressure Sensor/Switch A Circuit High

DTC P0453 - EVAP System Pressure Sensor/Switch A Circuit High

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
P0453 - EVAP SYSTEM PRESSURE SENSOR/SWITCH A CIRCUIT HIGH

Description:  This DTC sets when the fuel tank pressure (FTP) sensor signal average jumps above a minimum allowable calibrated parameter.
Possible Causes: 
  • Contamination internal to the FTP sensor connector
  • FTP circuit open
  • FTP circuit short to voltage
  • VREF circuit short to voltage
  • SIGRTN circuit open
  • Damaged FTP sensor
Diagnostic Aids:  An FTP voltage PID reading greater than 4.85 volts with the ignition ON, engine OFF or with the ignition ON, engine running, indicates a concern is present.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST HX .