P0718

Input/Turbine Shaft Speed Sensor A Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Transition of automatic transmission into emergency mode
Check Engine Light Illuminates
Reduced acceleration dynamics
Jerks when shifting gears

Causes

Input shaft speed sensor malfunction
Open or short circuit in the sensor circuit
Oxidized or damaged connector pins
Low transmission fluid level
Transmission control module (TCM) problems

How to Fix

Check the level and condition of the transmission fluid
Inspect the sensor wiring harness and connectors for damage.
Check sensor resistance (compare with specifications)
Replace input shaft speed sensor if necessary
Scan for errors after repair

Related codes

P0715 P0716 P0717