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.