AutoCodes – Isuzu – P0716 Isuzu

P0716 Isuzu Code - Transmission Mainshaft Speed Sensor Performance

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: P0716 Isuzu indicates Transmission Mainshaft Speed Sensor Performance.
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 3,422

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
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0716 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 P0716 Isuzu - Transmission Mainshaft Speed Sensor Performance - AutoCodes.com — P0716 Isuzu Code - Transmission Mainshaft Speed Sensor Performance

What does this mean?

What are the Possible Causes of the DTC P0716 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 P0716 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 P0716 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 P0716 Isuzu code?

Need more information on how to fix the P0716 Isuzu code? Get Access to Factory Service Manuals

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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 P0716 Isuzu Code

1. What are the common symptoms of OBDII code P0716 in an Isuzu related to the Transmission Mainshaft Speed Sensor Performance?

The common symptoms include issues with shifting gears, erratic speedometer readings, and the transmission going into limp mode.

2. What are the possible causes of OBDII code P0716 in an Isuzu?

The main causes could be a faulty transmission mainshaft speed sensor, damaged wiring or connectors, low transmission fluid levels, or internal transmission problems.

3. How can I diagnose the Transmission Mainshaft Speed Sensor on my Isuzu if I suspect it is causing OBDII code P0716?

You can use a multimeter to test the sensor's resistance and voltage output, visually inspect the wiring and connectors for any damage, and perform a scan tool test to monitor sensor data.

4. Can I continue driving my Isuzu with OBDII code P0716 present?

It is not recommended to continue driving with this code as it can lead to further transmission issues and potential safety hazards. Get your vehicle inspected and repaired as soon as possible.

5. How can I repair OBDII code P0716 in my Isuzu related to the Transmission Mainshaft Speed Sensor Performance?

The repair typically involves replacing the faulty transmission mainshaft speed sensor, repairing or replacing damaged wiring/connectors, and clearing the trouble codes from the vehicle's computer.

6. Are there any DIY tips for troubleshooting OBDII code P0716 in an Isuzu?

While some basic diagnostic steps can be done at home, it is recommended to consult a professional mechanic for a thorough diagnosis and repair to ensure the issue is properly resolved.

7. Will resetting the check engine light resolve OBDII code P0716 in my Isuzu?

Simply resetting the check engine light will not fix the underlying issue causing the code. Proper diagnosis and repair are necessary to address the Transmission Mainshaft Speed Sensor Performance problem.

8. Can a malfunctioning Transmission Mainshaft Speed Sensor cause other transmission problems in my Isuzu?

Yes, a faulty speed sensor can cause issues with shifting, torque converter lockup, and overall transmission performance, leading to potential damage if left unresolved.

9. Is the Transmission Mainshaft Speed Sensor difficult to replace in an Isuzu?

The difficulty of replacing the sensor can vary depending on the model and accessibility. It may require some mechanical knowledge and tools, so professional assistance is recommended for proper installation.

10. How much does it typically cost to repair OBDII code P0716 in an Isuzu at a dealership or repair shop?

The cost can vary depending on the exact cause of the issue, but it may range from $150 to $400 for parts and labor. It's advisable to get quotes from different shops for a more accurate estimate.