P0221 — Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance
Category: Powertrain Severity: Medium
Updated:
DTC code P0221 means: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance. It falls under the "Powertrain" category, with an estimated severity of Medium. Common causes include worn position sensor B, dirty throttle body and poor connector contact; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Worn position sensor B
- Dirty throttle body
- Poor connector contact
- Mismatch between tracks A and B
Symptoms
- Hesitation
- Intermittent limp mode
- Unstable idle
How to diagnose it step by step
- Clean the throttle.
- Compare tracks A and B.
- Check connectors.
- Replace the sensor or throttle body.
How to fix it
Clean the throttle body and compare signals A and B while slowly pressing the pedal: they should change smoothly and proportionally.
Estimated repair cost
$40–600.
Frequently asked questions
What does DTC code P0221 mean?
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance.
Is code P0221 serious?
Severity Medium. Not urgent, but worth diagnosing to avoid bigger damage.
Can I keep driving with code P0221?
Drive with caution.
Related codes
P0220 P0222 P0223 P0219 P0217 P0230 P0234 P0200 P0299
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