OBD-II FAULT CODE
B2347
Mirror Switch Reference Voltage Positive Common Supply Low Voltage
Meaning, symptoms, likely causes, diagnostic checks and repair guidance for B2347.
- Body/accessory warning lamp or feature not working
- Faulty switch/actuator
- Broken wiring in door hinge area
- Blown fuse
- Module coding/calibration issue
- Low signal voltage
- Check related fuses, connectors, grounds and switch/module power supply
- Check switch input, actuator output, fuse and door-jamb wiring
- Check sensor reference voltage, ground and signal voltage
- Repair broken wiring, replace failed switch/actuator, recalibrate if required
- 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.