Engine-CodesGMC – P0965 2018 GMC Sierra

P0965 2018 GMC Sierra Code - Pressure Control Solenoid Valve 2 Performance

Quick Answer

The P0965 diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to an issue with the Pressure Control Solenoid Valve 2, specifically indicating a performance problem. Common causes include Faulty pressure control solenoid valve 2, Wiring or connector issues related to the solenoid valve, Low transmission fluid levels or dirty transmission fluid. 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
P0965 2018 GMC Sierra indicates Pressure Control Solenoid Valve 2 Performance.
Common causes
Common causes include Faulty pressure control solenoid valve 2, Wiring or connector issues related to the solenoid valve, Low transmission fluid levels or dirty transmission fluid.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P0965 2018 GMC Sierra Description

The P0965 diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to an issue with the Pressure Control Solenoid Valve 2, specifically indicating a performance problem. This solenoid valve is a crucial component of the vehicle's transmission system, responsible for regulating the hydraulic pressure within the transmission. When this valve malfunctions or does not perform optimally, it can lead to various issues with the transmission's operation, affecting the vehicle's overall performance.

OBDII Code P0965 2018 GMC Sierra - Pressure Control Solenoid Valve 2 Performance
P0965 2018 GMC Sierra Code - Pressure Control Solenoid Valve 2 Performance

Common Causes of P0965 2018 GMC Sierra

  1. Faulty pressure control solenoid valve 2
  2. Wiring or connector issues related to the solenoid valve
  3. Low transmission fluid levels or dirty transmission fluid
  4. Internal transmission mechanical problems
  5. PCM (Powertrain Control Module) failure

Symptoms of P0965 2018 GMC Sierra

  1. Erratic or harsh shifting
  2. Transmission slippage
  3. Reduced fuel efficiency
  4. Transmission overheating
  5. Illumination of the check engine light

How to Fix P0965 2018 GMC Sierra

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and check the transmission fluid level and condition.
  2. Inspect the wiring and connectors related to the pressure control solenoid valve 2 for any damage or corrosion.
  3. Test the pressure control solenoid valve 2 to determine if it is functioning correctly.
  4. Replace the pressure control solenoid valve 2 if it is found to be faulty.
  5. Clear the trouble code from the PCM's memory and road test the vehicle to ensure the issue has been resolved.

Cost to Fix P0965 2018 GMC Sierra

The cost of repairing a P0965 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost of replacing a pressure control solenoid valve 2 can range from $200 to $500, including parts and labor. However, additional diagnostic time and potential repairs may increase the total cost. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle specifics.

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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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