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2010 JEEP COMPASS
2.4L I4•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor547Torque3665Fluid8DTC894Battery1Maintenance0Recalls2
P3008low severityPowertrain

Turbo/Supercharger Bypass Valve Control Circuit

on 2010 Jeep Compass 2.4L I4 · AWD

What this code means

The turbo bypass valve (diverter valve/blow-off valve) control circuit has a malfunction. The bypass valve recirculates pressurized air during throttle closure.

Symptoms

  • Check Engine Light
  • Compressor surge on deceleration
  • Flutter noise from turbo
  • Reduced boost response after throttle lift
  • Check Engine Light after spirited driving

Common causes

  • Faulty bypass valve solenoid
  • Torn bypass valve diaphragm
  • Wiring issue to solenoid
  • Vacuum line leak
  • PCM driver failure

Diagnostic steps

  1. Test bypass valve solenoid resistance
  2. Inspect vacuum lines to bypass valve
  3. Command solenoid with scan tool
  4. Check valve diaphragm for tears
  5. Inspect wiring and connector

Repair notes

Replace bypass valve or solenoid. Inspect vacuum hoses for cracks.

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