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Engine-Codes – GMC – P0968 GMC

P0968 GMC Code - Pressure Control Solenoid Valve 3 Control Circuit Open

Quick Answer

The P0968 diagnostic trouble code for GMC vehicles indicates a problem with the Pressure Control Solenoid Valve 3 Control Circuit being open. Common causes include Faulty Pressure Control Solenoid Valve 3, Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module. 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
P0968 GMC indicates Pressure Control Solenoid Valve 3 Control Circuit Open.
Common causes
Common causes include Faulty Pressure Control Solenoid Valve 3, Damaged wiring or connectors in the control circuit, Malfunctioning transmission control module.
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 08, 2024
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Code P0968 GMC Description

The P0968 diagnostic trouble code for GMC vehicles indicates a problem with the Pressure Control Solenoid Valve 3 Control Circuit being open. This valve is responsible for regulating the hydraulic pressure within the transmission, which is crucial for smooth and efficient gear shifting. When the control circuit is open, it means that there is an interruption in the electrical signal that controls the solenoid valve, leading to potential transmission issues.

OBDII Code P0968 GMC - Pressure Control Solenoid Valve 3 Control Circuit Open
P0968 GMC Code - Pressure Control Solenoid Valve 3 Control Circuit Open

Common Causes of P0968 GMC

  1. Faulty Pressure Control Solenoid Valve 3
  2. Damaged wiring or connectors in the control circuit
  3. Malfunctioning transmission control module
  4. Low transmission fluid level or contaminated fluid
  5. Electrical issues such as a blown fuse or relay

Symptoms of P0968 GMC

  1. Erratic or harsh shifting
  2. Slipping gears
  3. Transmission overheating
  4. Decreased fuel efficiency
  5. Illuminated Check Engine light

How to Fix P0968 GMC

  1. Begin by checking the transmission fluid level and condition.
  2. Inspect the wiring and connectors related to the Pressure Control Solenoid Valve 3 for any damage or corrosion.
  3. Test the solenoid valve for proper function and replace if necessary.
  4. Scan the vehicle's computer for any stored fault codes and address any additional issues.
  5. Clear the code and test drive the vehicle to ensure the problem has been resolved.

Cost to Fix P0968 GMC

The cost of repairing a P0968 code can vary depending on the specific cause of the issue. In general, the replacement of a Pressure Control Solenoid Valve 3 can cost between $150 to $300, with additional costs for labor and diagnostic testing. Overall, the total repair cost for this issue can range from $200 to $500, but it is advisable to consult with a professional mechanic for a more accurate estimate based on your vehicle's make and model, as well as any additional repairs that may be required.

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Information for Specific GMC Models

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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