top of page

P0454

Overview

Code

P0454

Code Type

P

Code Class

P0

System

Emissions

Severity Level

Medium

Emissions Related

true

Drivability Impact

None

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0454 indicates an intermittent fault in the EVAP pressure sensor

Symptoms

Check Engine Light

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

EVAP pressure sensor circuit

Possible Causes

Loose wiring

Diagnostic Steps

1 Inspect wiring 2 Test sensor voltage

Drive Safety Notes

Evap system functionality affected

bottom of page