how to fix the P0455 code in my Tesla Outback 4th Generation (2010-2014)

Learn how to diagnose and fix P0455 EVAP leak in Tesla Outback 2010-2014. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts needed for repair.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Damaged Components

• Gas Cap:

  • Remove the existing gas cap.
  • Inspect for cracks or a damaged seal.
  • Replace with a new gas cap if necessary.

• EVAP Hoses:

  • Trace the EVAP hoses from the fuel tank to the canister.
  • Look for any cracks, breaks, or disconnections.
  • Replace damaged hoses with OEM or equivalent parts.

3. Repair or Replace EVAP Valves

• Purge Valve:

  • Locate the EVAP purge valve (usually near the engine or intake manifold).
  • Disconnect the electrical connector and vacuum lines.
  • Test the valve with a multimeter for continuity.
  • Replace the valve if it does not function correctly.

• Vent Valve:

  • Locate the EVAP vent valve (typically near the fuel tank).
  • Disconnect the electrical connector and vacuum lines.
  • Test the valve operation with a multimeter.
  • Replace if faulty.

4. Perform System Reset

• Reconnect the battery.
• Use the OBD-II scanner to erase the P0455 code.
• Start the engine and allow it to reach operating temperature.