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Diagnose/P0715
P0715High SeverityTransmission

Input/Turbine Speed Sensor Circuit Malfunction

What This Means

The transmission input speed sensor circuit has a malfunction. This sensor measures the rotational speed of the torque converter turbine shaft for gear ratio and shift timing calculations.

Common Symptoms

  • Erratic or harsh shifting
  • Speedometer malfunction
  • Transmission slipping
  • Check engine light and limp mode

Common Causes

  • Failed input speed sensor
  • Damaged tone ring
  • Wiring or connector issue
  • Metallic debris on sensor
  • Internal transmission damage

Estimated Repair Cost

$200 – $800
Parts and labor (varies by vehicle and location)
Difficulty:Advanced

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.