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Code

P0221

Throttle

Throttle position sensor B range / performance

The second throttle position track is out of range.

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Most likely causes

Faulty dual-track TPS
Carbon in throttle
Wiring fault

Symptoms you may notice

Check engine light
Limp mode

Checks to run

Read both TPS tracks
Clean the throttle
Test wiring

Tools you may need

OBD-II scanner Throttle cleaner

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

Throttle position sensor B circuit malfunction

Throttle actuator control range / performance

Throttle actuator control motor circuit range / performance

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