Engine-CodesGMC – P2824 2018 GMC Sierra

P2824 2018 GMC Sierra Code - Transmission Control Solenoid Valve 9 Control Circuit Open

Quick Answer

The P2824 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates that there is an issue with the Transmission Control Solenoid Valve 9 Control Circuit being open. Common causes include Faulty transmission control solenoid valve 9, Damaged wiring or connectors in the circuit, Blown fuse related to the transmission control circuit. 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
P2824 2018 GMC Sierra indicates Transmission Control Solenoid Valve 9 Control Circuit Open.
Common causes
Common causes include Faulty transmission control solenoid valve 9, Damaged wiring or connectors in the circuit, Blown fuse related to the transmission control circuit.
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 14, 2024
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Code P2824 2018 GMC Sierra Description

The P2824 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates that there is an issue with the Transmission Control Solenoid Valve 9 Control Circuit being open. The transmission control solenoid valves are responsible for regulating the flow of transmission fluid in the transmission system, which is crucial for shifting gears smoothly and efficiently. In this case, an open circuit means that there is a break or interruption in the electrical connection that controls the transmission solenoid valve 9.

OBDII Code P2824 2018 GMC Sierra - Transmission Control Solenoid Valve 9 Control Circuit Open
P2824 2018 GMC Sierra Code - Transmission Control Solenoid Valve 9 Control Circuit Open

Common Causes of P2824 2018 GMC Sierra

  1. Faulty transmission control solenoid valve 9
  2. Damaged wiring or connectors in the circuit
  3. Blown fuse related to the transmission control circuit
  4. Issues with the transmission control module
  5. Corrosion or poor connections in the electrical system

Symptoms of P2824 2018 GMC Sierra

  1. Rough or delayed shifting
  2. Slipping gears
  3. Transmission getting stuck in a specific gear
  4. Reduced fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P2824 2018 GMC Sierra

  1. Perform a thorough inspection of the transmission control solenoid valve 9, wiring, and connectors to identify any visible damage or issues.
  2. Test the solenoid valve and circuit using a multimeter to check for continuity and proper electrical signals.
  3. Replace the faulty transmission control solenoid valve 9 if necessary.
  4. Repair or replace any damaged wiring, connectors, or fuses in the circuit.
  5. Clear the DTC and test drive the vehicle to ensure that the transmission is shifting smoothly and the code does not reappear.

Cost to Fix P2824 2018 GMC Sierra

The typical repair costs for addressing the P2824 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. Generally, replacing a transmission control solenoid valve can cost between $150 to $400, while repairing wiring or connectors may range from $100 to $300. The total repair cost, including parts and labor, could be anywhere from $300 to $800 or more. It's advisable to contact local auto repair shops for accurate estimates based on your vehicle's make and model, as well as the severity of the issue. Keep in mind that diagnostic time and labor rates can vary, so it's essential to inquire about these factors when obtaining repair quotes.

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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 P2824 2018 GMC Sierra Code

1. What does the OBDII code P2824 mean on a 2018 GMC Sierra?

The code P2824 indicates an issue with the Transmission Control Solenoid Valve 9 Control Circuit, specifically an open circuit.

2. What are the common symptoms of a P2824 code in a 2018 GMC Sierra?

Symptoms may include difficulty shifting gears, harsh shifting, transmission slipping, reduced fuel efficiency, or the vehicle entering limp mode.

3. What causes the P2824 code to appear on a 2018 GMC Sierra?

Common causes include a faulty transmission control solenoid, damaged wiring or connectors in the solenoid circuit, a malfunctioning transmission control module (TCM), or low transmission fluid.

4. Can driving with a P2824 code damage the transmission?

Yes, continuing to drive with this code can lead to further transmission damage if the issue is not addressed promptly.

5. How can I diagnose a P2824 code on my 2018 GMC Sierra?

Diagnosing involves checking the transmission fluid level, inspecting the wiring and connectors for damage, testing the solenoid for functionality, and scanning the TCM for additional codes.

6. Is a low transmission fluid level a possible cause of the P2824 code?

Yes, low or contaminated transmission fluid can lead to improper solenoid operation, triggering the code.

7. How much does it cost to repair a P2824 code on a 2018 GMC Sierra?

Repair costs vary depending on the issue, but replacing a solenoid typically costs $200–$500, while fixing wiring issues may cost less.

8. Can I fix the P2824 code on my 2018 GMC Sierra myself?

If you're experienced with automotive repairs, you can inspect wiring, connectors, and solenoids. However, complex repairs may require professional assistance.

9. Does clearing the P2824 code solve the problem?

Clearing the code might temporarily turn off the check engine light, but it won't fix the underlying issue causing the code.

10. What tools are needed to troubleshoot the P2824 code?

You'll need an OBDII scanner, a multimeter for electrical testing, and basic tools to inspect and repair wiring or solenoids.

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