P00AF

Q: 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.

Turbocharger/Supercharger Boost Control A Module Performance

High severity

Turbocharger/Supercharger Boost Control A Module Performance: the component is electrically intact but its response does not match the command. This affects turbo/supercharger boost-pressure control.

Common causes

Boost control module internal fault
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $330-2200
Module software outdated, reflash may resolve
Less common, but worth ruling out after the more likely causes.
low
Typical part cost: $330-2200
See all causes + fix costs
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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 P00AF mean?

P00AF means "Turbocharger/Supercharger Boost Control A Module Performance". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.

What are the most common causes of P00AF?

boost control module internal fault; module software outdated, reflash may resolve; supply voltage outside specification — these are the most commonly reported causes.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?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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