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2019 FORD TAURUS
3.5L V6 EcoBoost•AWD•AUTOMATIC•gas•turbo
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor495Torque3393Fluid7DTC1909Battery1Maintenance0Recalls2
P0877moderate severityPowertrain

Transmission Fluid Pressure Sensor/Switch D Circuit Low

on 2019 Ford Taurus 3.5L V6 EcoBoost · AWD

What this code means

The transmission fluid pressure sensor D circuit is reporting a voltage that is too low. This can indicate a short circuit or an actual pressure loss.

Symptoms

  • Transmission slipping
  • Delayed engagement
  • Fault light illuminated

Common causes

  • Low transmission fluid
  • Short to ground in wiring
  • Failed pressure sensor
  • Internal pump or seal leak

Diagnostic steps

  1. Verify fluid level
  2. Check circuit for short to ground
  3. Measure sensor voltage
  4. Perform hydraulic pressure test
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