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Engine-Codes – GMC – P0752 2014 GMC Sierra

P0752 2014 GMC Sierra Code - Shift Solenoid Valve 1 Performance Stuck On

Quick Answer

The P0752 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates that the transmission control module (TCM) has detected a performance issue with Shift Solenoid Valve 1, which is stuck in the on position. Common causes include Mechanical failure of Shift Solenoid Valve 1, Electrical fault in the solenoid circuit, Blockage in the fluid passage. 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
P0752 2014 GMC Sierra indicates Shift Solenoid Valve 1 Performance Stuck On.
Common causes
Common causes include Mechanical failure of Shift Solenoid Valve 1, Electrical fault in the solenoid circuit, Blockage in the fluid passage.
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 13, 2024
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Code P0752 2014 GMC Sierra Description

The P0752 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates that the transmission control module (TCM) has detected a performance issue with Shift Solenoid Valve 1, which is stuck in the on position. This solenoid is responsible for controlling the flow of transmission fluid to engage or disengage specific gears within the transmission. When this solenoid is stuck in the on position, it can lead to improper gear shifting, erratic transmission behavior, and potential damage to the transmission system.

OBDII Code P0752 2014 GMC Sierra - Shift Solenoid Valve 1 Performance Stuck On
P0752 2014 GMC Sierra Code - Shift Solenoid Valve 1 Performance Stuck On

Common Causes of P0752 2014 GMC Sierra

  1. Mechanical failure of Shift Solenoid Valve 1
  2. Electrical fault in the solenoid circuit
  3. Blockage in the fluid passage
  4. TCM malfunction
  5. Wiring harness issues

Symptoms of P0752 2014 GMC Sierra

  1. Harsh or delayed shifting
  2. Erratic transmission behavior
  3. Transmission slipping
  4. Poor fuel efficiency
  5. Inability to shift gears

How to Fix P0752 2014 GMC Sierra

  1. Diagnose the specific cause of the issue using a scan tool to confirm the P0752 code and perform additional tests if necessary.
  2. Inspect the Shift Solenoid Valve 1 and its wiring for any visible damage or blockages. Replace the solenoid if necessary.
  3. Check the transmission fluid level and condition, topping up or replacing it if needed.
  4. Clear the DTC and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying electrical or mechanical issues.

Cost to Fix P0752 2014 GMC Sierra

The typical repair costs for addressing a P0752 code on a 2014 GMC Sierra can range from $200 to $500, including parts and labor. However, it's important to note that actual costs can vary depending on the specific diagnosis time, labor rates, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your location and vehicle details.

What does this mean?

Tech Notes for P0752 2014 GMC Sierra

When a transmission solenoid is stuck on, 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.

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