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P0455

Volkswagen ID.4 Hub All Volkswagen P0455Low Severity

P0455 on Volkswagen ID.4: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0455 (P0455: Evaporative Emission Control System Leak Detected (Gross Leak)) specifically on the Volkswagen ID.4 (2021–2026, Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh)).

2021–2026

ID.4EV

Sensor Voltage Ref

0.1V – 5.0V Ref

ID.4 SAE Mode $01

ECU Network Bus

500 kbps CAN-FD

ISO 15765-4 Compliant

Drivability Status

Drivable (Short Trip)

Low urgency level

Est. DIY Time

45 – 90 Min

Basic hand tools

Check P0455 On Another Volkswagen Model:

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1. Symptoms of P0455 on Volkswagen ID.4

When the Engine Control Module (ECM/PCM) on your Volkswagen ID.4 (Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh)) logs fault code P0455, drivers commonly observe:

Check Engine Light on on Volkswagen ID.4 (Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh))

Gas cap loose warning message on dashboard on Volkswagen ID.4 (Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh))

Slight fuel vapor odor near rear of vehicle on Volkswagen ID.4 (Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh))

Volkswagen ID.4 OBD-II Port Location

The 16-pin diagnostic connector is located Driver side footwell lower instrument interface. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Volkswagen ID.4

Historical warranty claims and technical repair bulletins for Volkswagen ID.4 point to the following failure distribution:

55%

Missing, loose, or cracked gas cap seal (Volkswagen OEM Part)

25%

Faulty EVAP purge control solenoid (Volkswagen OEM Part)

12%

Stuck open EVAP vent valve (Volkswagen OEM Part)

Cracked EVAP charcoal canister vapor hose (Volkswagen OEM Part)

* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Volkswagen ID.4.

3. Step-by-Step DIY Repair Guide for Volkswagen ID.4

Inspect and Tighten the Gas Cap

Remove gas cap, inspect rubber O-ring for cracks, tighten until it clicks 3 times. on the Volkswagen ID.4 equipped with Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh).

Required Tool: None

Replace Gas Cap with OEM Replacement

If the cap rubber is dried or cracked, replace with genuine OEM cap ($15). on the Volkswagen ID.4 equipped with Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh).

Required Tool: New OEM Gas Cap

Test EVAP Purge Solenoid Under Hood

Disconnect electrical plug and vacuum hose. Apply 12V; verify valve seals tight when unpowered. on the Volkswagen ID.4 equipped with Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh).

Required Tool: 12V Probe, Vacuum Pump

Inspect EVAP Canister Vent Valve Near Gas Tank

Check vent valve for road salt corrosion or spider nest clogs. on the Volkswagen ID.4 equipped with Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh).

Required Tool: Flashlight, Jack Stands

Smoke Test EVAP System

Pump mineral oil smoke into EVAP port to reveal any hairline cracked lines. on the Volkswagen ID.4 equipped with Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh).

Required Tool: EVAP Smoke Machine

Other Common Fault Codes on Volkswagen ID.4

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Volkswagen ID.4:

P0300Automotive

P0300: Random or Multiple Cylinder Misfi...

View ID.4 Fix

P0420Automotive

P0420: Catalyst System Efficiency Below ...

View ID.4 Fix

P0171Automotive

P0171: System Too Lean (Bank 1)...

View ID.4 Fix

P0128Automotive

P0128: Coolant Temperature Below Thermos...

View ID.4 Fix

P0101Automotive

Mass Air Flow (MAF) Sensor Circuit Range...

View ID.4 Fix

P0135Automotive

O2 Sensor Heater Circuit Malfunction (Ba...

View ID.4 Fix

4. Volkswagen ID.4 P0455 FAQs

What causes code P0455 to trigger on a Volkswagen ID.4?

On the Volkswagen ID.4 (Single RWD (201HP) / Dual Motor AWD ID.4 GTX (295HP / 77 kWh)), P0455 is most frequently caused by Missing, loose, or cracked gas cap seal or Faulty EVAP purge control solenoid.

Where is the OBD-II port located on my Volkswagen ID.4?

On the Volkswagen ID.4, the 16-pin DLC diagnostic connector is located Driver side footwell lower instrument interface. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Volkswagen ID.4 with code P0455?

Yes. Completely safe to drive, but emissions test will fail. Given that P0455 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.