OBD-II FAULT CODE
B2174
Window Driver Rear Remote Up Switch Short to Battery
Meaning, symptoms, likely causes, diagnostic checks and repair guidance for B2174.
- Body/accessory warning lamp or feature not working
- Faulty switch/actuator
- Broken wiring in door hinge area
- Blown fuse
- Module coding/calibration issue
- Wire shorted to power feed
- Check related fuses, connectors, grounds and switch/module power supply
- Check switch input, actuator output, fuse and door-jamb wiring
- Check for unwanted voltage on signal/control circuit
- Repair broken wiring, replace failed switch/actuator, recalibrate if required
- Repair harness short to power or replace internally shorted component
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.