Back to 2010-2012 Subaru Legacy

2010-2012 SUBARU LEGACY

3.6L H6AWDCVTgas
50 active safety recalls on this vehicle — view recalls
Repairs0Labor504Torque3914Fluid9DTC900Battery0Maintenance0Recalls50
P0235moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Circuit

on 2010-2012 Subaru Legacy 3.6L H6 · AWD

What this code means

Malfunction in the turbo boost pressure sensor A circuit.

Symptoms

  • Check Engine Light
  • Poor boost control
  • Reduced power

Common causes

  • Faulty boost pressure sensor
  • Wiring issue
  • Vacuum hose leak

Diagnostic steps

  1. Test sensor output
  2. Inspect wiring
  3. Check vacuum hoses

Repair notes

Replace boost pressure sensor.

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 →