Back to 2018 Audi R8

2018 AUDI R8

5.2L V10 (Gen 2, 562hp)AWDDCTgas
Repairs0Labor593Torque2390Fluid9DTC922Battery0Maintenance0Recalls0
P0047moderate severityPowertrain

Turbo/Supercharger Boost Control Solenoid Circuit Low

on 2018 Audi R8 5.2L V10 (Gen 2, 562hp) · AWD

What this code means

Low voltage detected in the boost control solenoid circuit.

Symptoms

  • Check Engine Light
  • No boost
  • Reduced power

Common causes

  • Short to ground
  • Faulty solenoid
  • Wiring damage

Diagnostic steps

  1. Test circuit voltage
  2. Check for shorts
  3. Test solenoid

Repair notes

Repair wiring or replace solenoid.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →