AutoCodes – Isuzu – P0717 Isuzu

P0717 Isuzu Code - Speed Sensor Circuit Fault

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: P0717 Isuzu indicates Speed Sensor Circuit Fault.
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 10,334

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 Feb 12, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0717 Isuzu 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 P0717 Isuzu - Speed Sensor Circuit Fault - AutoCodes.com — P0717 Isuzu Code - Speed Sensor Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P0717 Isuzu?

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

How to Fix the DTC P0717 Isuzu?

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 P0717 Isuzu 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 P0717 Isuzu code?

Need more information on how to fix the P0717 Isuzu code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0717 Isuzu 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 P0717 Isuzu Code

1. What are the common symptoms of OBDII code P0717 in an Isuzu vehicle?

Symptoms may include erratic speedometer readings, harsh shifting, or the transmission going into limp mode.

2. What can cause the P0717 code to appear in an Isuzu?

The code is typically triggered by a faulty speed sensor, damaged wiring or connectors, or a failed transmission control module.

3. How can I diagnose the Speed Sensor Circuit Fault in my Isuzu?

Diagnosis involves using a scan tool to retrieve the code, inspecting the speed sensor and its wiring for damage, and testing the sensor's electrical resistance.

4. Can a bad speed sensor affect the performance of my Isuzu transmission?

Yes, a malfunctioning speed sensor can lead to incorrect shift points, reduced fuel efficiency, and overall transmission performance issues.

5. Is it safe to continue driving my Isuzu with the P0717 code present?

It is not recommended to drive the vehicle with the P0717 code, as it can lead to further damage to the transmission or other related components.

6. How much does it typically cost to repair a Speed Sensor Circuit Fault in an Isuzu?

The cost of repair can vary depending on the exact cause of the issue, but it can range from $100 to $300 for parts and labor.

7. Can I replace the speed sensor in my Isuzu myself?

Replacing the speed sensor can be a DIY task for those with automotive repair experience and the necessary tools. However, it's recommended to consult a professional if unsure.

8. Will resetting the OBDII code make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue causing the P0717 code is not addressed, it is likely to reappear.

9. Are there any preventive measures to avoid the Speed Sensor Circuit Fault in Isuzu vehicles?

Regular maintenance checks, such as inspecting the speed sensor and its wiring during routine services, can help prevent the occurrence of the P0717 code.

10. Can a Speed Sensor Circuit Fault in an Isuzu be related to other engine problems?

While the P0717 code is specifically related to the speed sensor circuit, it's always a good practice to check for any other potential issues that may be affecting the vehicle's performance.