The throttle position signal is below the expected range. The driver may notice limited power or poor throttle response.
Causes vary by car. Test before you order a part.
Likely causes, most common first
- Open or shorted wiring
- Faulty throttle position sensor
- Poor connector contact
- Missing 5 volt reference
Parts usually involved
- Throttle position sensor Find at suppliers
- Throttle body Find at suppliers
- Sensor connector Find at suppliers
Test before you replace
Check the 5 volt reference, ground and signal at the sensor connector.
General guidance for generic OBD2 codes. Always follow the maker's procedure for the car in front of you.