P3401Engine oil level is too low, Powertrain Control Module (PCM) failure, Variable valve timing solenoid failure, Wiring issue
⚙️ Powertrain (Motor y Transmisión)🏭 Specific to Audi
The engine control module has detected an open circuit at the cylinder 1 deactivation or intake valve control solenoid. Without a valid circuit, cylinder 1 cannot be deactivated.
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Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Motor · Powertrain
La falla pertenece al grupo motopropulsor (motor y gestión electrónica).
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Possible Causes
The components or conditions that trigger this code
- 1Solenoid coil open
- 2Wiring or connector open
- 3Pin pushed back out of connector body
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Estimated Cost
Approximate range in USD (varies by region and shop)
$100—$800
Varies by diagnosis
* Diagnosis only: $50–$150
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Quick Info
CodeP3401
CategoryMotor (P)
ManufacturerAudi
SeverityModerada
Symptoms0
Causes3
Solution steps0
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