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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

  1. Faulty dual-track TPS
  2. Carbon in throttle
  3. Wiring fault

Symptoms you may notice

  • Check engine light
  • Limp mode

Checks to run

  1. Read both TPS tracks
  2. Clean the throttle
  3. 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

P0120

Throttle position sensor / pedal circuit malfunction

 P0121

Throttle position sensor range / performance problem

 P0220

Throttle position sensor B circuit malfunction

 P0638

Throttle actuator control range / performance

 P2101

Throttle actuator control motor circuit range / performance
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