C0577

Park Brake Force Sensor Circuit Malfunction

Moderate severity

The EPB module has detected an electrical fault in the clamp-force sensor circuit. Without this signal, regulated clamping force cannot be ensured and a fallback strategy is used.

Common causes

Clamp-force sensor failed
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-990
Wiring or connector fault
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-990
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does C0577 mean?

C0577 means "Park Brake Force Sensor Circuit Malfunction". It is a generic OBD-II code that points to a fault in the chassis.

What are the most common causes of C0577?

clamp-force sensor failed; wiring or connector fault — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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