How much does it cost to fix P0720?

Typical repair cost is $100–$400.

P0720 — Output Speed Sensor Circuit Malfunction

High Severity · Transmission

OBD-II code P0720 means your vehicle's ECU detected: Output Speed Sensor Circuit Malfunction. Below: causes, step-by-step fixes, and repair cost — free, no signup needed.

High severity — do not ignore. Get a diagnosis promptly to avoid further engine damage.

Typical Repair Cost

$100–$400

Parts + labor, national average

Severity

High

Address as soon as possible

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Common Causes of P0720

Failed OSS
Wiring damage

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How to Fix Code P0720

Replace output speed sensor ($60–$200)

Inspect wiring

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FAQ — Code P0720

What does OBD-II code P0720 mean?

P0720 means your vehicle's onboard computer detected: Output Speed Sensor Circuit Malfunction. This is a high-severity code in the Transmission category.

How much does it cost to fix code P0720?

Typical repair cost for P0720 is $100–$400 including parts and labor. Costs vary by vehicle make, model, and location. A free scan at AutoZone or O'Reilly is a good first step.

Can I drive my car with code P0720?

Code P0720 is high severity. Avoid long drives until diagnosed — continued driving can cause additional engine damage.

What are the most common causes of P0720?

The most common causes are: Failed OSS, Wiring damage. Always start with the cheapest diagnosis step before replacing parts.

Will code P0720 clear itself?

Code P0720 will clear itself after the underlying issue is fixed and the ECU completes several successful drive cycles. Clearing it without fixing the root cause only masks the problem temporarily.

Is P0720 showing on your car?

Enter your VIN for a free vehicle-specific report — recalls, specs, and market value. No signup required.

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OBD-II code data is based on SAE J2012 standards and general repair industry data. Repair costs are national averages and vary by vehicle, location, and shop. Always consult a qualified mechanic for a diagnosis specific to your vehicle.