Common Volkswagen Fault Codes

If you get any fault codes use code “V-CODE” to get a no-fee diagnostic from Owasco Volkswagen. Some conditions may apply.

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Volkswagen Fault Codes

Below are some common VW fault codes and their meaning:

Engine & Emissions Codes

  • Code: P0300
    • Meaning: Random/multiple cylinder misfire detected
  • Code: P0299
    • Meaning: Typically occurs in turbocharged VW models and may indicate a faulty turbocharger, wastegate, or boost pressure sensor.
  • Code: P0133
    • Meaning: Indicates a slow response time from the upstream oxygen sensor, possibly caused by a failing sensor, exhaust leak, or wiring issue.
  • Code: P0401
    • Meaning: Suggests an issue with the EGR system, such as a clogged EGR valve or faulty EGR sensor.
  • Code: P0456
    • Meaning: A very small leak in the EVAP system, is commonly caused by a loose gas cap, cracked EVAP hoses, or a faulty purge valve.

Ignition and Fuel System Codes

  • Code: P0301-P0308
    • Meaning: Indicates misfires in individual cylinders. Likely caused by bad spark plugs, ignition coils, or fuel injectors.
  • Code: P0087
    • Meaning: Low fuel pressure, potentially due to a failing fuel pump, clogged fuel filter, or pressure sensor issues.
  • Code: P0191
    • Meaning: A problem with the fuel rail pressure sensor, could lead to incorrect fuel delivery.
  • Code: P0263-P0269
    • Meaning: Points to an imbalance in power delivery from a specific cylinder, often linked to faulty injectors or compression issues.

Sensor and Electrical Codes

  • Code: P0113
    • Meaning: Indicates a high voltage signal from the intake air temperature sensor, often caused by a sensor malfunction or wiring issue.
  • Code: P0128
    • Meaning: Suggests that the engine is not reaching the correct operating temperature, often due to a stuck thermostat.
  • Code: P0562
    • Meaning: Indicates a low voltage condition in the electrical system, potentially caused by a weak battery or failing alternator.
  • Code: P0628
    • Meaning: Signals an issue with the control circuit for the fuel pump, possibly caused by a wiring fault or a failing pump.
  • Code: P029F
    • Meaning: Found in models with cylinder deactivation technology, this code points to an issue with the system not operating as expected.

Turbocharged and Direct Injection Codes

  • Code: P2262
    • Meaning: Indicates a failure in the turbocharger system, possibly caused by a stuck wastegate or turbo failure.
  • Code: P2279
    • Meaning: Suggests a vacuum or intake air leak, which can cause rough running and poor performance.
  • Code: P00AF
    • Meaning: Indicates a problem with the boost control module or actuator.
  • Code: P02E8
    • Meaning: Specific to diesel models, this code relates to a malfunction in the air intake flow control system.
  • Code: P2463
    • Meaning: Found in TDI (Turbocharged Direct Injection) models, this code indicates excessive soot buildup in the DPF (Diesel Particulate Filter), potentially due to a failed regeneration cycle.

 

If any of these codes listed above appear on your scanner, be sure to bring your vehicle to Owasco Volkswagen and we will help get your Volkswagen running like new again.