P0221 — Throttle/Petal Position Sensor/Switch B Circuit Malfunction

What it means

P0221 is an OBD-II diagnostic trouble code: Throttle/Petal Position Sensor/Switch B Circuit Malfunction.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.