OBD-II FAULT CODE
B2105
Throttle Position Input Out of Range Low
Meaning, symptoms, likely causes, diagnostic checks and repair guidance for B2105.
- Body/accessory warning lamp or feature not working
- Reduced power / limp mode possible
- Hesitation or unstable idle
- Dirty throttle body
- Faulty throttle/pedal position sensor
- Wiring/connector fault
- Adaptation needed
- Low signal voltage
- Check related fuses, connectors, grounds and switch/module power supply
- Inspect throttle body and connector
- Check sensor correlation data with scan tool
- Check sensor reference voltage, ground and signal voltage
- Clean throttle body if appropriate, repair wiring, perform throttle relearn, replace failed sensor/body after testing
- Repair poor ground/power feed or replace confirmed faulty sensor
Related Codes
Need more help?
Search manuals, wiring diagrams and technical service bulletins.
Not sure what to do next?
Get step-by-step instructions and professional repair information.
Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.