OBD Guide

P0718

Input/Turbine Shaft Speed Sensor A Circuit Intermittent

P0718 is an OBD-II diagnostic trouble code meaning: Input/Turbine Shaft Speed Sensor A Circuit Intermittent. Common causes: input shaft speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

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

Related codes

Error P0718 by Vehicle Brand

FAQ

What does the P0718 code mean?

P0718 is an OBD-II diagnostic trouble code that indicates: Input/Turbine Shaft Speed Sensor A Circuit Intermittent

What causes a P0718 error code?

The most common causes of P0718 include: Input shaft speed sensor malfunction; Open or short circuit in the sensor circuit; Oxidized or damaged connector pins; Low transmission fluid level.

How do I fix a P0718 diagnostic trouble code?

To fix P0718: Check the level and condition of the transmission fluid. Inspect the sensor wiring harness and connectors for damage.. Check sensor resistance (compare with specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0718?

Yes, but get it checked soon

How much does it cost to fix P0718?

The estimated repair cost for P0718 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat