DTC P0841 Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance: Trouble Symptom

2016 Subaru Legacy 2.5iSECTION Trouble Symptom
  • Acceleration is poor during standing start.
  • Shift control malfunction
  • Engine speed increases abruptly.
CAUTION:
  • Before performing diagnosis, record the freeze frame data.
  • Use the check board when measuring the TCM terminal voltage and resistance.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.