Engine-CodesGMC – P0964 2015 GMC Sierra

P0964 2015 GMC Sierra Code - Pressure Control Solenoid Valve 2 Control Circuit Open

Quick Answer

The P0964 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit being open. Common causes include Faulty Pressure Control Solenoid Valve 2, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the electrical system. 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
P0964 2015 GMC Sierra indicates Pressure Control Solenoid Valve 2 Control Circuit Open.
Common causes
Common causes include Faulty Pressure Control Solenoid Valve 2, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the electrical system.
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 15, 2024
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Code P0964 2015 GMC Sierra Description

The P0964 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Pressure Control Solenoid Valve 2 Control Circuit being open. This valve is a crucial component of the transmission system, responsible for regulating hydraulic pressure within the transmission. When the control circuit is open, it means that there is an interruption in the electrical connection between the solenoid valve and the vehicle's computer system.

OBDII Code P0964 2015 GMC Sierra - Pressure Control Solenoid Valve 2 Control Circuit Open
P0964 2015 GMC Sierra Code - Pressure Control Solenoid Valve 2 Control Circuit Open

Common Causes of P0964 2015 GMC Sierra

  1. Faulty Pressure Control Solenoid Valve 2
  2. Damaged wiring or connectors in the control circuit
  3. Corrosion or poor connections in the electrical system
  4. Issues with the vehicle's computer system
  5. Transmission fluid contamination or low fluid levels

Symptoms of P0964 2015 GMC Sierra

  1. Erratic shifting
  2. Harsh shifting
  3. Failure to shift gears
  4. Reduced fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0964 2015 GMC Sierra

  1. Begin by conducting a thorough inspection of the Pressure Control Solenoid Valve 2 and its wiring harness for any visible damage or corrosion.
  2. Test the solenoid valve using a multimeter to check for proper resistance and continuity.
  3. Inspect the wiring and connectors in the control circuit for any breaks, shorts, or loose connections. Repair or replace as necessary.
  4. Clear the DTC from the vehicle's computer system using a diagnostic scanner.
  5. Test drive the vehicle to ensure that the transmission is shifting properly and that the issue has been resolved.

Cost to Fix P0964 2015 GMC Sierra

The typical repair costs for addressing a P0964 code on a 2015 GMC Sierra can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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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