This Ford-specific code indicates the engine control control system has detected an abnormal operating condition. This manufacturer-specific code requires Ford-specific diagnostic procedures and may require dealer-level scan tools.
Find certified mechanics near you who can diagnose and repair P1020.
For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.