Engine-CodesGMC – P2825 2016 GMC Sierra

P2825 2016 GMC Sierra Code - Transmission Control Solenoid Valve 9 Performance

Quick Answer

The P2825 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Transmission Control Solenoid Valve 9 Performance. Common causes include Faulty transmission control solenoid valve number 9, 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
P2825 2016 GMC Sierra indicates Transmission Control Solenoid Valve 9 Performance.
Common causes
Common causes include Faulty transmission control solenoid valve number 9, 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 11, 2024
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Code P2825 2016 GMC Sierra Description

The P2825 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Transmission Control Solenoid Valve 9 Performance. This code indicates that there is an issue with the performance of the transmission control solenoid valve number 9. The transmission control solenoid valves are essential components of the transmission system, responsible for controlling the flow of transmission fluid to various components within the transmission. Solenoid valve 9 specifically plays a crucial role in regulating the transmission fluid pressure.

OBDII Code P2825 2016 GMC Sierra - Transmission Control Solenoid Valve 9 Performance
P2825 2016 GMC Sierra Code - Transmission Control Solenoid Valve 9 Performance

Common Causes of P2825 2016 GMC Sierra

  1. Faulty transmission control solenoid valve number 9
  2. Wiring or connector issues related to the solenoid valve
  3. Low transmission fluid levels or dirty transmission fluid
  4. Internal transmission problems or mechanical issues
  5. Electronic control module (ECM) or transmission control module (TCM) malfunctions

Symptoms of P2825 2016 GMC Sierra

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

How to Fix P2825 2016 GMC Sierra

  1. Diagnose the issue using a scan tool to confirm the P2825 code and pinpoint the specific problem with solenoid valve 9.
  2. Inspect the wiring and connectors associated with the solenoid valve for any damage or corrosion. Repair or replace as necessary.
  3. Check the transmission fluid level and condition. Top off or change the fluid if needed.
  4. Test the solenoid valve for proper operation and replace if it is found to be faulty.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2825 2016 GMC Sierra

The cost estimate for repairing the Transmission Control Solenoid Valve 9 Performance issue in a 2016 GMC Sierra can vary depending on the specific cause of the problem and the labor rates at the auto repair shop. On average, the parts for a transmission solenoid valve replacement can range from $100 to $300, while the labor costs can range from $150 to $300. Overall, the total repair cost can amount to approximately $250 to $600. It is recommended to consult with a professional mechanic for a more accurate estimate based on your vehicle's specific needs and location.

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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 P2825 2016 GMC Sierra Code

1. What does the OBDII code P2825 mean for a 2016 GMC Sierra?

The P2825 code indicates an issue with the Transmission Control Solenoid Valve 9, specifically its performance or operation, which could affect gear shifting.

2. What are the common symptoms of code P2825 in a 2016 GMC Sierra?

Symptoms may include harsh or delayed shifting, transmission slippage, poor fuel efficiency, or the vehicle entering limp mode.

3. What causes the P2825 code to appear?

Possible causes include a faulty transmission solenoid valve, damaged solenoid wiring, low transmission fluid, or internal transmission issues.

4. Can low transmission fluid cause the P2825 code?

Yes, low or dirty transmission fluid can lead to poor solenoid performance and trigger the P2825 code.

5. Is it safe to drive with the P2825 code active?

Driving with this code is not recommended, as it may cause further damage to the transmission or leave the vehicle in limp mode.

6. How do you diagnose the P2825 code on a 2016 GMC Sierra?

Diagnosis typically involves scanning for codes, inspecting the transmission fluid, testing the solenoid’s electrical circuit, and performing a manual solenoid performance check.

7. How can the P2825 code be fixed?

Repairs may include replacing the faulty solenoid, repairing damaged wiring or connectors, flushing and refilling the transmission fluid, or addressing internal transmission issues.

8. How much does it cost to fix the P2825 code?

Repair costs can vary widely but typically range from $200 to $500 for solenoid replacement, depending on labor costs and parts pricing.

9. Can a transmission software update resolve the P2825 code?

In some cases, a software update may resolve shifting issues, but this depends on the specific cause of the code.

10. What tools are needed to fix the P2825 code?

Tools may include an OBDII scanner, a multimeter for electrical testing, and basic hand tools for solenoid replacement or fluid service.

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