B0064

Driver Seat Belt Tension Sensor

Moderate severity

The SRS module has detected a fault in the driver seat belt tension sensor. This sensor measures belt load and is used by adaptive restraint systems to scale airbag deployment force based on occupant size.

Common causes

Belt tension sensor failed
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $170-770
Wiring or connector fault
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $170-770
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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 B0064 mean?

B0064 means "Driver Seat Belt Tension Sensor". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B0064?

belt tension 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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