Check Engine Code
P0715
Input / Turbine Speed Sensor "A" Circuit
Severity: medium
DIY difficulty: 3/5
Typical cost: $80–$600
What P0715 means
The input shaft speed sensor tells the TCM how fast the torque converter output is spinning. Without it, shift quality and TCC lockup degrade.
Symptoms
- CEL
- Harsh shifting
- Slipping
- Erratic shift points
Likely causes (most common first)
- Failed input speed sensor
- Damaged wiring
- Metal shavings clinging to sensor (internal transmission damage)
- Low/contaminated fluid
Can I keep driving?
Medium — drivable but fix soon
Typical repair cost
DIY fixes can start near $80 (parts only). Shop repairs for P0715 typically run up to $600 depending on the underlying cause and vehicle. Start with the most common cause — Failed input speed sensor — before throwing parts at it.
Related codes
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