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Engine-Codes – GMC – P0751 2016 GMC Sierra

P0751 2016 GMC Sierra Code - Shift Solenoid Valve 1 Performance Stuck Off

Quick Answer

The P0751 code for a 2016 GMC Sierra indicates a problem with the Shift Solenoid Valve 1 Performance being stuck off. Common causes include Faulty shift solenoid, Wiring issues, Low transmission fluid levels. 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
P0751 2016 GMC Sierra indicates Shift Solenoid Valve 1 Performance Stuck Off.
Common causes
Common causes include Faulty shift solenoid, Wiring issues, Low transmission fluid levels.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0751 2016 GMC Sierra Description

The P0751 code for a 2016 GMC Sierra indicates a problem with the Shift Solenoid Valve 1 Performance being stuck off. This solenoid is responsible for controlling the flow of transmission fluid to engage or disengage specific gears. When this solenoid is stuck off, it can lead to issues with shifting gears smoothly, resulting in poor performance and potentially causing damage to the transmission system.

OBDII Code P0751 2016 GMC Sierra - Shift Solenoid Valve 1 Performance Stuck Off
P0751 2016 GMC Sierra Code - Shift Solenoid Valve 1 Performance Stuck Off

Common Causes of P0751 2016 GMC Sierra

  1. Faulty shift solenoid
  2. Wiring issues
  3. Low transmission fluid levels
  4. Clogged transmission filter
  5. Internal transmission problems

Symptoms of P0751 2016 GMC Sierra

  1. Harsh or delayed shifting
  2. Erratic shifting patterns
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Inability to shift gears

How to Fix P0751 2016 GMC Sierra

  1. Perform a diagnostic scan to confirm the P0751 code and identify the specific issue with the shift solenoid valve.
  2. Inspect the wiring connected to the solenoid for any damage or corrosion, and repair or replace as necessary.
  3. Check the transmission fluid level and condition, and top up or replace if low or contaminated.
  4. Clean or replace the transmission filter to ensure proper fluid flow.
  5. If the shift solenoid valve is faulty, replace it with a new one and reset the error code.

Cost to Fix P0751 2016 GMC Sierra

The typical repair costs for addressing a P0751 code in a 2016 GMC Sierra can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates can range between $80 and $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. It's advisable to obtain quotes from local shops for a more accurate estimate.

What does this mean?

Tech Notes for P0751 2016 GMC Sierra

When a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommended to change the transmission fluid and if possible, remove the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure, and that the transmission will need to be rebuilt or replaced.

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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 P0751 2016 GMC Sierra Code

1. What does OBDII code P0751 on a 2016 GMC Sierra mean?

The P0751 code indicates a performance issue with Shift Solenoid Valve 1, specifically that it is stuck in the off position.

2. What are the common symptoms of a Shift Solenoid Valve 1 performance issue?

Common symptoms include harsh shifting, delayed or erratic shifting, transmission slipping, and the transmission getting stuck in a specific gear.

3. What are the possible causes of the P0751 code in a 2016 GMC Sierra?

Possible causes include a faulty shift solenoid, low transmission fluid level, dirty or contaminated transmission fluid, wiring issues, or a malfunctioning transmission control module.

4. How can I diagnose the cause of the P0751 code in my GMC Sierra?

Diagnosis typically involves checking the transmission fluid level and condition, inspecting the wiring and connectors related to the shift solenoid, and performing a thorough scan of the transmission control module for any fault codes.

5. Can I continue to drive my GMC Sierra with the P0751 code present?

It is not recommended to drive the vehicle with the P0751 code present, as it can lead to further damage to the transmission and potentially result in a complete transmission failure.

6. How can I repair the Shift Solenoid Valve 1 performance issue in my 2016 GMC Sierra?

Repair options include replacing the faulty shift solenoid, performing a transmission fluid flush and filter change, checking and repairing any damaged wiring, or recalibrating the transmission control module.

7. Is it possible to reset the P0751 code without making any repairs?

While clearing the code may temporarily turn off the check engine light, the underlying issue causing the P0751 code will persist and likely trigger the code again in the future.

8. How much does it typically cost to repair a P0751 code in a 2016 GMC Sierra?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $600 for parts and labor, excluding any additional diagnostic fees.

9. Can I prevent the recurrence of the P0751 code in my GMC Sierra?

Regular maintenance, such as keeping up with transmission fluid changes and inspections, can help prevent issues leading to the P0751 code. Additionally, addressing any warning signs promptly can help avoid more severe problems.

10. Should I attempt to repair the P0751 code in my GMC Sierra myself?

Repairing transmission-related issues can be complex and require specialized tools and knowledge. It is recommended to consult a qualified mechanic or transmission specialist to properly diagnose and repair the P0751 code in your GMC Sierra.

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