OBD-II FAULT CODE
B2172
Inertia Switch input Circuit Open
Meaning, symptoms, likely causes, diagnostic checks and repair guidance for B2172.
- Body/accessory warning lamp or feature not working
- Open circuit
- Disconnected connector
- Broken wire
- Failed component
- Check related fuses, connectors, grounds and switch/module power supply
- Check connector fitment and continuity from module to component
- Repair open wire/connector or replace the failed component after continuity test
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Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.