P0227
Throttle/Pedal Position Sensor/Switch C Circuit Low
P0227 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch C Circuit Low. Common causes: channel c signal wire short to ground, broken signal wire or power wire. Estimated repair cost: $28–200.
Symptoms
- Switching to emergency mode
- Dips and jerks when pressing the gas pedal
- High or unstable idle speed
- Check Engine Light Illuminates
- Maximum speed limit
Causes
- Channel C signal wire short to ground
- Broken signal wire or power wire
- Sensor potentiometer wear
- No 5V reference voltage from ECU
- Damage to the sensor housing due to vibration or overheating
How to Fix
- Read codes and check for other pedal/throttle sensor errors
- Check the 5 V reference voltage at the sensor connector
- Measure the voltage of channel C signal when pressing the pedal
- Check the wiring harness for open circuit and short to ground.
- Clean the contacts of the sensor connector
- If necessary, replace the accelerator pedal position sensor or throttle valve
Related codes
Error P0227 by Vehicle Brand
FAQ
What does the P0227 code mean?
P0227 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch C Circuit Low
What causes a P0227 error code?
The most common causes of P0227 include: Channel C signal wire short to ground; Broken signal wire or power wire; Sensor potentiometer wear; No 5V reference voltage from ECU.
How do I fix a P0227 diagnostic trouble code?
To fix P0227: Read codes and check for other pedal/throttle sensor errors. Check the 5 V reference voltage at the sensor connector. Measure the voltage of channel C signal when pressing the pedal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0227?
Yes, but get it checked soon
How much does it cost to fix P0227?
The estimated repair cost for P0227 is $28–200. Actual cost depends on your vehicle, location, and labor rates.
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