An open or shorted wire. A missing 5-volt reference. A failed sensor in the throttle body.

P0222 Throttle/Pedal Position Sensor/Switch "B" Circuit Low

Q: What does P0222 mean?

P0222 means throttle position sensor B's signal is too low, usually with reduced power. The signal from throttle position sensor B is too low, usually from an open wire, a missing reference voltage or a failed sensor.

Throttle

P0222 means throttle position sensor B's signal is too low, usually with reduced power.

The signal from throttle position sensor B is too low, usually from an open wire, a missing reference voltage or a failed sensor.

Can I keep driving? Not if you can avoid it.

Expect reduced power or limp mode. Drive only as needed and get it fixed.

Common causes

An open or shorted wire
A missing 5-volt reference
A failed sensor in the throttle body

Symptoms

Reduced power or limp mode
Check-engine light

What to check first

Check the connector and wiring.
Check reference voltage and ground.
Check sensor B's signal at closed throttle against spec.
Replace the throttle body if wiring is good.

What does P0222 mean on your vehicle?

The likely cause depends on your engine. iRepair researches your exact year, make, model and engine (service bulletins, recalls and owner reports) and tells you what to check first. Your first 3 questions are free.

Ask iRepair about P0222

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Related codes

General guidance for P0222 on most vehicles. Some makers use the same code a little differently; confirm in the service information for your vehicle, put safety first, and see a professional when in doubt.