Engine-CodesGMC – P2825 2017 GMC Sierra

P2825 2017 GMC Sierra Code - Transmission Control Solenoid Valve 9 Performance

Quick Answer

The P2825 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Transmission Control Solenoid Valve 9 Performance. Common causes include Faulty transmission control solenoid valve 9, Wiring issues or electrical connection problems, 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
P2825 2017 GMC Sierra indicates Transmission Control Solenoid Valve 9 Performance.
Common causes
Common causes include Faulty transmission control solenoid valve 9, Wiring issues or electrical connection problems, 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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P2825 2017 GMC Sierra Description

The P2825 diagnostic trouble code (DTC) for a 2017 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 responsible for regulating the flow of transmission fluid in the transmission system, which is crucial for proper gear shifting and overall transmission operation.

OBDII Code P2825 2017 GMC Sierra - Transmission Control Solenoid Valve 9 Performance
P2825 2017 GMC Sierra Code - Transmission Control Solenoid Valve 9 Performance

Common Causes of P2825 2017 GMC Sierra

  1. Faulty transmission control solenoid valve 9
  2. Wiring issues or electrical connection problems
  3. Malfunctioning transmission control module
  4. Low transmission fluid levels
  5. Internal transmission mechanical issues

Symptoms of P2825 2017 GMC Sierra

  1. Erratic shifting patterns
  2. Harsh shifting between gears
  3. Delayed shifting response
  4. Inability to shift gears
  5. Illumination of the Check Engine Light

How to Fix P2825 2017 GMC Sierra

  1. Perform a diagnostic scan to retrieve the trouble codes and pinpoint the issue.
  2. Inspect the transmission control solenoid valve 9 for any signs of damage or malfunction.
  3. Check the wiring and electrical connections related to the transmission control solenoid valve.
  4. Test the transmission control module for proper functioning.
  5. Replace the faulty transmission control solenoid valve 9 if necessary and clear the trouble codes.

Cost to Fix P2825 2017 GMC Sierra

The typical repair costs for addressing a P2825 code related to the Transmission Control Solenoid Valve 9 Performance can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate 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 P2825 2017 GMC Sierra Code

1. What does the OBDII code P2825 mean on a 2017 GMC Sierra?

P2825 indicates an issue with the performance or operation of Transmission Control Solenoid Valve 9, which is responsible for controlling hydraulic pressure in the transmission.

2. What are the common symptoms of the P2825 code?

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

3. What causes the P2825 code to appear on a 2017 GMC Sierra?

Common causes include a faulty transmission control solenoid, low transmission fluid, contaminated transmission fluid, or wiring issues such as damaged connectors or shorts.

4. Can I drive my GMC Sierra with a P2825 code?

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

5. How do I diagnose the P2825 code?

Diagnosis involves checking the transmission fluid level and condition, inspecting the wiring and connectors for damage, and testing the solenoid for proper operation using a scan tool.

6. How do I fix a P2825 code on a 2017 GMC Sierra?

Repairs may include replacing the faulty solenoid, repairing damaged wiring, cleaning or replacing contaminated transmission fluid, or updating the transmission control module software.

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

You may need a scan tool, a multimeter, a transmission pressure gauge, and basic hand tools to troubleshoot and repair the issue.

8. How much does it cost to repair a P2825 code?

The cost can vary but typically ranges from $150 to $400 for solenoid replacement, depending on labor rates and whether additional repairs are needed.

9. Can low transmission fluid cause the P2825 code?

Yes, low or contaminated transmission fluid can cause solenoid performance issues, leading to the P2825 code.

10. Does the P2825 code require a transmission replacement?

Not necessarily. Many P2825 issues can be resolved by replacing the solenoid or addressing wiring and fluid problems, though severe cases may require more extensive repairs.

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