P1452 Fuel Tank Pressure Sensor Low Input

Category: Powertrain - Auxiliary Emissions Controls
Severity: Check Engine Light
Applies to: Camry, Corolla, RAV4

What does P1452 mean on a Toyota?

P1452 — Fuel Tank Pressure Sensor Low Input. This Toyota-enhanced code applies to Camry, Corolla, RAV4.

Common causes of P1452

Shorted tank pressure sensor
Signal wire shorted to ground
Failed sensor stuck low
Corroded connector
ECM fault

How to fix P1452

Inspect wiring for shorts
Disconnect and watch for a change
Test sensor output
Clean the connector
Replace the sensor if stuck low