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P0867high severityPowertrain

Transmission Fluid Pressure

on 2011 Subaru WRX STI 2.5L H4 Turbo EJ257 Gen2 · AWD

What this code means

The transmission fluid pressure is outside the expected operating range. Improper pressure can cause harsh or slipping shifts.

Symptoms

  • Slipping transmission
  • Harsh or delayed shifts
  • Transmission warning light

Common causes

  • Low transmission fluid
  • Faulty pressure sensor
  • Worn pump or valve body
  • Internal fluid leak

Diagnostic steps

  1. Check transmission fluid level and condition
  2. Scan for pressure-related codes
  3. Test fluid pressure sensor
  4. Perform hydraulic pressure test

Other Powertrain codes on this vehicle

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