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P0960 2017 GMC Sierra Code - Line Pressure Control Solenoid Valve Control Circuit Open

Quick Answer

The P0960 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Line Pressure Control Solenoid Valve Control Circuit being open. Common causes include Faulty Line Pressure Control Solenoid Valve, Wiring or connector issues in the control circuit, Corrosion or damage to electrical connections. 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
P0960 2017 GMC Sierra indicates Line Pressure Control Solenoid Valve Control Circuit Open.
Common causes
Common causes include Faulty Line Pressure Control Solenoid Valve, Wiring or connector issues in the control circuit, Corrosion or damage to electrical connections.
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 17, 2024
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Code P0960 2017 GMC Sierra Description

The P0960 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Line Pressure Control Solenoid Valve Control Circuit being open. This solenoid valve is a crucial component of the transmission system, responsible for regulating the hydraulic pressure within the transmission. The transmission control module (TCM) uses this solenoid to adjust the line pressure to ensure smooth shifting and optimal performance.

OBDII Code P0960 2017 GMC Sierra - Line Pressure Control Solenoid Valve Control Circuit Open
P0960 2017 GMC Sierra Code - Line Pressure Control Solenoid Valve Control Circuit Open

Common Causes of P0960 2017 GMC Sierra

  1. Faulty Line Pressure Control Solenoid Valve
  2. Wiring or connector issues in the control circuit
  3. Corrosion or damage to electrical connections
  4. Defective TCM
  5. Low transmission fluid levels or contaminated fluid

Symptoms of P0960 2017 GMC Sierra

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Decreased fuel efficiency
  4. Illumination of the Check Engine Light
  5. Transmission overheating

How to Fix P0960 2017 GMC Sierra

  1. Begin by conducting a thorough inspection of the wiring harness and connectors associated with the Line Pressure Control Solenoid Valve. Look for any signs of damage, corrosion, or loose connections. Repair or replace any damaged components as needed.
  2. Test the Line Pressure Control Solenoid Valve to determine if it is functioning correctly. If the solenoid is faulty, replace it with a new one.
  3. Check the transmission fluid level and condition. If the fluid is low or contaminated, perform a transmission fluid flush and refill with the manufacturer's recommended fluid.
  4. Clear the DTC from the TCM memory using a diagnostic scan tool. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is operating smoothly.
  5. If the problem persists after completing the above steps, further diagnostic testing may be necessary to pinpoint the exact cause of the issue, such as testing the TCM for faults or conducting a more in-depth inspection of the transmission system.

Cost to Fix P0960 2017 GMC Sierra

The cost of repairing a P0960 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. In general, the cost of parts for a Line Pressure Control Solenoid Valve replacement can range from $100 to $300, while the labor cost can range from $150 to $300. Overall, you can expect to pay anywhere from $250 to $600 for this repair, but it's advisable to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle specifics. Keep in mind that diagnostic time and labor rates can vary, so it's essential to confirm these details with the repair facility before proceeding with the repair.

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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 P0960 2017 GMC Sierra Code

1. What does the OBDII code P0960 mean on a 2017 GMC Sierra?

P0960 indicates an open circuit in the line pressure control solenoid valve control, which affects the transmission's ability to regulate hydraulic pressure.

2. What are the common symptoms of code P0960 on a 2017 GMC Sierra?

Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel economy, or the transmission stuck in one gear.

3. What causes the P0960 code to appear on a 2017 GMC Sierra?

Common causes include a faulty line pressure control solenoid, damaged wiring or connectors, or a malfunctioning transmission control module (TCM).

4. Can I drive my 2017 GMC Sierra with a P0960 code?

Driving with this code is not recommended, as it can lead to further transmission damage and unsafe driving conditions.

5. How do I diagnose the P0960 code on a 2017 GMC Sierra?

Start by visually inspecting the wiring and connectors for damage, test the solenoid with a multimeter, and use a scan tool to check for TCM-related issues.

6. How do I fix the P0960 code on a 2017 GMC Sierra?

Repairs may include replacing the line pressure control solenoid, repairing damaged wiring or connectors, or reprogramming or replacing the TCM.

7. How much does it cost to repair the P0960 code on a 2017 GMC Sierra?

Repair costs can range from $150 to $1,200 depending on whether the solenoid, wiring, or TCM needs to be repaired or replaced.

8. Can a bad transmission fluid level cause the P0960 code on a 2017 GMC Sierra?

Low or contaminated transmission fluid can exacerbate pressure issues but is unlikely to directly cause the P0960 code.

9. Do I need to replace the transmission to fix the P0960 code on a 2017 GMC Sierra?

Replacing the entire transmission is rarely necessary; the issue is typically isolated to the solenoid, wiring, or TCM.

10. How can I prevent the P0960 code from occurring on my 2017 GMC Sierra?

Regularly inspect and maintain the transmission system, including fluid changes, and address electrical issues promptly to prevent this code.

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