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2014 SUBARU BRZ

2.0L H4AWDMANUALgas
Repairs0Labor564Torque5830Fluid10DTC903Battery0Maintenance0Recalls0
P0048moderate severityPowertrain

Turbo/Supercharger Boost Control Solenoid Circuit High

on 2014 Subaru BRZ 2.0L H4 · AWD

What this code means

High voltage detected in the boost control solenoid circuit.

Symptoms

  • Check Engine Light
  • Overboosting
  • Reduced power

Common causes

  • Short to power
  • Faulty solenoid
  • PCM issue

Diagnostic steps

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

Repair notes

Repair short or replace solenoid.

Other Powertrain codes on this vehicle

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