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Code

P0220

Throttle

Throttle position sensor B circuit malfunction

The second throttle position sensor circuit has a fault.

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Most likely causes

Faulty TPS (dual-track)
Wiring fault
Damaged connector

Symptoms you may notice

Check engine light
Limp mode
Poor throttle response

Checks to run

Read both TPS tracks live
Test wiring
Clean throttle body

Tools you may need

OBD-II scanner Multimeter

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Throttle

Throttle position sensor / pedal circuit malfunction

Throttle position sensor range / performance problem

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Throttle actuator control motor circuit range / performance

Throttle / pedal position sensor D circuit low

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