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2017 AUDI R8

5.2L V10 (Gen 2, 562hp)AWDDCTgas
Repairs0Labor515Torque2494Fluid9DTC922Battery0Maintenance0Recalls0
P3001moderate severityPowertrain

Turbo/Supercharger Boost Control Circuit Low

on 2017 Audi R8 5.2L V10 (Gen 2, 562hp) · AWD

What this code means

The signal from the turbo boost control solenoid circuit is below the expected threshold. This prevents proper boost pressure regulation.

Symptoms

  • Check Engine Light
  • Underboost condition
  • Sluggish acceleration
  • Limp mode activation
  • Excessive turbo lag

Common causes

  • Short to ground in boost solenoid circuit
  • Faulty boost control solenoid
  • Corroded wiring connector
  • Failed turbo wastegate actuator
  • Low system voltage

Diagnostic steps

  1. Measure voltage at boost control solenoid connector
  2. Inspect wiring for shorts to ground
  3. Test solenoid coil resistance
  4. Check wastegate actuator rod movement
  5. Verify battery voltage and PCM ground

Repair notes

Repair short circuit or replace boost control solenoid. Check wastegate linkage for binding.

Other Powertrain codes on this vehicle

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