P0223 Code: Throttle/Pedal Position Sensor/Switch B Circuit High Input
🟠 Moderate severity · drivable
Drivable, but throttle response may be poor or erratic, so fix it soon.
What P0223 means
The secondary throttle or accelerator pedal position sensor (circuit B) is reporting voltage that's too high.
Symptoms
- Check engine light is on
- Reduced or erratic throttle response
- Possible limp mode
- Surging idle
Common causes
- most common: Faulty throttle or pedal position sensor
- common: Open or damaged sensor wiring
- less common: Corroded sensor connector
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Replace the throttle or pedal position sensor | Yes | $50–200 |
| Repair open sensor wiring | Mechanic | $50–150 |
Frequently asked questions
Can I drive with a P0223 code?
Yes, but throttle response may be poor or erratic. Fix it soon for safe driving.
What is the most common cause of P0223?
A faulty throttle or accelerator pedal position sensor.
How much does it cost to fix a P0223?
Typically $50–$200 for a new position sensor.
Related codes
P0222
P0222 Code: Throttle/Pedal Position Sensor/Switch B Circuit Low Input
P0221P0221 Code: Throttle Position Sensor B Range/Performance
P0123P0123 Code: Throttle Position Sensor/Switch Circuit High Input
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.