how to fix P0455 code in Volkswagen Golf Seventh Generation (2013-2020)

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a flat surface and engage the parking brake.
• Disconnect the negative terminal of the battery to avoid electrical issues.

2. Inspect and Replace Gas Cap

• Tools Required: None
• Remove the gas cap and inspect for damage or wear. If the cap appears faulty, replace it with a new OEM gas cap.

3. Inspect and Replace EVAP Hoses

• Tools Required: Socket set, pliers
• Examine all EVAP hoses connected to the charcoal canister and purge valve.
• If any hoses are cracked or broken, replace them with new hoses. Ensure all connections are tight.

4. Test and Replace Purge Valve (if necessary)

• Tools Required: Multimeter, socket set
• Disconnect the electrical connector from the purge valve.
• Use a multimeter to check for voltage at the connector when the ignition is on.
• If voltage is present and the valve does not operate, replace the purge valve.

5. Inspect and Replace Charcoal Canister (if necessary)

• Tools Required: Socket set, pliers
• Remove the charcoal canister from its mounting bracket.
• Inspect for cracks or damage. If found, replace the canister.

6. Reassemble and Clear Codes

• Reconnect all components and hoses.
• Reconnect the negative terminal of the battery.
• Use the OBD-II scanner to clear the P0455 code.