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2022 FORD MUSTANG MACH-E
Extended Range Dual Motor AWD•AWD•AUTOMATIC•ev
9 active safety recalls on this vehicle — view recalls
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Repairs0Labor316Torque3729Fluid5DTC1170Battery1Maintenance0Recalls9
P0034moderate severityPowertrain

Turbocharger/Supercharger Bypass Valve Control Circuit Low

on 2022 Ford Mustang Mach-E Extended Range Dual Motor AWD · AWD

What this code means

The computer sees low voltage in the turbo/supercharger bypass valve circuit. This usually indicates a short to ground or failed valve affecting boost.

Symptoms

  • Low boost pressure
  • Poor acceleration
  • Check engine light on

Common causes

  • Short to ground in wiring
  • Faulty bypass valve solenoid
  • Damaged connector
  • Failed control module

Diagnostic steps

  1. Retrieve fault codes
  2. Check wiring for short to ground
  3. Test valve resistance
  4. Verify control circuit voltage
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Other Powertrain codes on this vehicle

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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