P0047

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 Circuit Low

High severity

Boost control circuit A voltage below expected range — short to ground or low-resistance fault in solenoid wiring.

Common causes

Wiring shorted to ground
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $90-660
Connector pins corroded - high contact resistance
Less common, but worth ruling out after the more likely causes.
low
Typical part cost: $90-660
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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

See related trouble codes

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Frequently asked questions

What does P0047 mean?

P0047 means "Turbocharger/Supercharger Boost Control A Circuit Low". 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 P0047?

wiring shorted to ground; connector pins corroded - high contact resistance; harness chafing through insulation — 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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