AutoCodes – Mazda – P0718 Mazda

P0718 Mazda Code - Input/Turbine Speed Sensor Circuit Intermittent

Quick Answer

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). Common causes include Faulty Transmission Speed Sensor, Transmission Speed Sensor harness is open or shorted, Transmission Speed Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0718 Mazda indicates Input/Turbine Speed Sensor Circuit Intermittent.
Common causes: Common causes include Faulty Transmission Speed Sensor, Transmission Speed Sensor harness is open or shorted, Transmission Speed Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,741

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0718 Mazda Description

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). The ECM sets the OBDII code when the Input Speed Sensor is out of factory specifications.

OBDII Code P0718 Mazda - Input/Turbine Speed Sensor Circuit Intermittent - AutoCodes.com — P0718 Mazda Code - Input/Turbine Speed Sensor Circuit Intermittent

What does this mean?

What are the Possible Causes of the DTC P0718 Mazda?

Faulty Transmission Speed Sensor
Transmission Speed Sensor harness is open or shorted
Transmission Speed Sensor circuit poor electrical connection

How to Fix the DTC P0718 Mazda?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0718 Mazda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0718 Mazda code?

Need more information on how to fix the P0718 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0718 Mazda code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0718 Mazda Code

1. What are the common symptoms of OBDII code P0718 in a Mazda related to the Input/Turbine Speed Sensor Circuit Intermittent issue?

- Common symptoms include erratic shifting, sudden loss of power, transmission slipping, and in some cases, the vehicle may go into limp mode.

2. What are the possible causes of OBDII code P0718 in a Mazda?

- The main causes of this code include a faulty input/turbine speed sensor, damaged wiring or connectors in the sensor circuit, or issues with the transmission control module.

3. How can I diagnose the Input/Turbine Speed Sensor Circuit Intermittent issue in my Mazda?

- To diagnose this problem, you can use an OBDII scanner to read the trouble code and then perform a visual inspection of the sensor and its wiring. You may also need to perform electrical tests to pinpoint the exact cause.

4. Can I continue driving my Mazda with OBDII code P0718 present?

- It is not recommended to drive your vehicle with this code present, as it can lead to further damage to the transmission and potentially leave you stranded on the road.

5. How can I repair the Input/Turbine Speed Sensor Circuit Intermittent issue in my Mazda?

- The repair usually involves replacing the faulty input/turbine speed sensor, repairing or replacing damaged wiring or connectors, and clearing the trouble code with an OBDII scanner.

6. Is it possible to reset OBDII code P0718 in a Mazda without fixing the underlying issue?

- While you can clear the trouble code with an OBDII scanner, the code is likely to return if the root cause of the problem is not addressed.

7. How much does it typically cost to repair OBDII code P0718 related to the Input/Turbine Speed Sensor Circuit Intermittent in a Mazda?

- The cost of repairs can vary depending on the specific cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

8. Will OBDII code P0718 cause my Mazda to fail an emissions test?

- Yes, having this code present can cause your Mazda to fail an emissions test, as it indicates a problem with the transmission system.

9. Can a DIY enthusiast fix OBDII code P0718 in a Mazda at home?

- While some experienced DIY enthusiasts may be able to diagnose and repair this issue at home, it is recommended to seek professional help, especially when dealing with transmission-related problems.

10. How long does it take to repair OBDII code P0718 in a Mazda?

- The repair time can vary depending on the exact cause of the issue and the extent of the repairs needed, but it typically takes a few hours to a full day to complete the repair.