How much does it cost to fix P0299?

Typical repair cost is $100–$3,000.

P0299 — Turbocharger/Supercharger Underboost Condition

High Severity · Engine

OBD-II code P0299 means your vehicle's ECU detected: Turbocharger/Supercharger Underboost Condition. 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–$3,000

Parts + labor, national average

Severity

High

Address as soon as possible

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Common Causes of P0299

Boost leak (most common)
Wastegate stuck open
Failing turbocharger
Faulty diverter valve

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How to Fix Code P0299

Smoke-test boost system for leaks

Check wastegate actuator

Test diverter valve

Inspect turbocharger for shaft play

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FAQ — Code P0299

What does OBD-II code P0299 mean?

P0299 means your vehicle's onboard computer detected: Turbocharger/Supercharger Underboost Condition. This is a high-severity code in the Engine category.

How much does it cost to fix code P0299?

Typical repair cost for P0299 is $100–$3,000 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 P0299?

Code P0299 is high severity. Avoid long drives until diagnosed — continued driving can cause additional engine damage.

What are the most common causes of P0299?

The most common causes are: Boost leak (most common), Wastegate stuck open, Failing turbocharger, Faulty diverter valve. Always start with the cheapest diagnosis step before replacing parts.

Will code P0299 clear itself?

Code P0299 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 P0299 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.