Manufacturer-specific code

This code means different things on different makes. Find yours below.

• Volkswagen, Audi, Seat, Skoda, Cupra

  Charge pressure increase: upper limit exceeded

  Boost pressure went above the maximum allowed (overboost). The engine computer cuts power to protect the engine.

  Likely causes, most likely first

  1. 01Sticking VNT vanes or a wastegate that cannot open
  2. 02Faulty N75 boost-control solenoid
  3. 03Misrouted, blocked or leaking boost-control hoses; loss of pressure to a pressure-operated wastegate can cause overboost
  4. 04Seized or incorrectly adjusted turbo actuator
  5. 05Incorrect boost-pressure sensor reading

  Severity: Caution: get it checked soon · DIY with tools and some experience