P1455 Vapor Reducing Fuel Tank System Malfunction

Category: Powertrain - Auxiliary Emissions Controls
Severity: Check Engine Light
Applies to: Camry, Corolla with vapor reducing systems

What does P1455 mean on a Toyota?

P1455 — Vapor Reducing Fuel Tank System Malfunction. This Toyota-enhanced code applies to Camry, Corolla with vapor reducing systems.

Common causes of P1455

Leaking vapor reducing system
Failed vapor valve
Blocked vapor path
Faulty tank pressure sensor
Corroded connectors

How to fix P1455

Smoke test the vapor system
Test vapor valve operation
Check for blockages
Verify tank pressure readings
Repair the leak or valve fault found