Honda Civic

P0456

The P0456 code indicates a small leak in the evaporative emission control system (EVAP) on a Honda Civic 10th Generation (2016-2021). This typically affects the vehicle's ability to control fuel vapors, potentially leading to increased emissions.

3 SolutionsP-CodePowertrain

Error Code Type

Powertrain

Components

1 affected

Fuel System

Symptoms

10 common

•Check engine light illuminated
•Fuel smell around the vehicle
•Poor fuel economy
+7 more

Most Affected Generations

3 generations

FC/FK

FB/FC

Top Affected Components

1 component

Fuel System

Severity Levels

1 level

medium

Quick Facts

Total Solutions

Affected Components

Common Symptoms

Generations

All Solutions

Showing 3 of 3 solutions for error code P0456 across all generations.

how to fix P0456 code on my Honda Civic 10th Generation (2016-2021)

Fuel System

Check engine light illuminatedFuel smell around the vehicle+3

P0456•FL

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how to fix the P0456 code on Honda Civic 9th Generation (2012-2015)

Fuel System

The P0456 code indicates a small leak in the evaporative emission control system (EVAP) on a 2012-2015 Honda Civic, often related to issues with the gas cap or EVAP components.

Check engine light illuminatedFuel odor near the vehicle+3

P0456•FC/FK

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how to diagnose a P0456 code in my Honda Civic 9th Generation (2012-2015)

Fuel System

The P0456 code indicates a small leak in the evaporative emission control system (EVAP) in a 2012-2015 Honda Civic 9th Generation.

Check engine light illuminatedFuel smell in the cabin or around the vehicle+3

P0456•FB/FC

View →