Engine Error
P0718
Input/Turbine Speed Sensor A Circuit Intermittent
Severity
Medium
Symptoms
Transmission drops out of gear randomly, erratic shifting
Common Causes
- Loose connector at the input speed sensor
- Wiring harness shorting intermittently
- Internally failing sensor due to heat
- TCM software issue
How to Fix
- 1 Clean and tighten sensor connection
- 2 Perform wiggle test and repair wiring
- 3 Replace the input speed sensor
- 4 Update TCM software
Estimated Repair Cost
USD
$80
–
$350
Wiring repair: $100; Sensor replacement: $150 - $300