P0047Medium SeverityEngine

Turbo/Supercharger Boost Control Solenoid Circuit Low

What This Means

The boost control solenoid circuit is reading low voltage, indicating a short to ground. This prevents proper boost pressure regulation.

Common Symptoms

Boost control issues
Reduced power
Turbo malfunction
Check engine light on

Common Causes

Short to ground
Failed solenoid
Corroded connector
Damaged wiring
PCM circuit fault

Estimated Repair Cost

$150 – $700

Parts and labor (varies by vehicle and location)

Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.