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
Search and canonical URL
Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.