Brake Switch Circuit for Dynamic Rear Proportioning

What does C0281 mean?

The C0281 OBD-II diagnostic trouble code (DTC) indicates: brake switch circuit for dynamic rear proportioning. This is a medium-severity chassis code that your vehicle's onboard diagnostics system triggers when the brake switch input for rear brake proportioning is faulty. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.

Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.

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• → When to Replace Your Brakes: Signs and Mileage Guide
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