Code result
P0047
Turbocharger/Supercharger Boost Control A Circuit Low
High severity
What it means
Boost control circuit A voltage below expected range — short to ground or low-resistance fault in solenoid wiring.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Wiring shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Harness chafing through insulation
lowLess common, but worth ruling out after the more likely causes.
Related help
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