Source-backed diagnostic reference

P1227 EV diagnostic code

Wastegate Failed Closed Over Pressure

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • FORD: Wastegate Failed Closed Over Pressure Source
  • JAGUAR: Mechanical Guard Circuit Low Input Source
  • KIA: Fuel Injector 3 Circuit Low Voltage Source
  • LINCOLN: Wastegate Failed Closed Over Pressure Source
  • MERCURY: Wastegate Failed Closed Over Pressure Source
  • OTHER: Wastegate Failed Closed (Over Pressure) Source
  • VOLKSWAGEN: Cylinder 3 Injector Circuit Short To Ground Source

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