AutoCodesChevrolet – P2824 2018 Chevrolet Silverado

P2824 2018 Chevrolet Silverado Code - Transmission Control Solenoid Valve 9 Control Circuit Open

Quick Answer

The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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 Chevrolet Silverado indicates Transmission Control Solenoid Valve 9 Control Circuit Open.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
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.
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Code Popularity 300
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P2824 2018 Chevrolet Silverado Description

The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. As current flow is increased, the magnetic field produced by the coil moves the solenoid’s plunger further away from the exhaust port. Opening the exhaust port decreases the output fluid pressure regulated by the Transmission Control Solenoid Valve, which ultimately decreases line pressure. The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM). The Diagnostic Trouble Code (DTC) is set when the Transmission Control Solenoid Valve Control Circuit commanded state does not match the actual state for greater than 1 s.
OBDII Code P2824 2018 Chevrolet Silverado - Transmission Control Solenoid Valve 9 Control Circuit Open - AutoCodes.com
P2824 2018 Chevrolet Silverado Code - Transmission Control Solenoid Valve 9 Control Circuit Open

What are the Possible Causes of the DTC P2824 2018 Chevrolet Silverado?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Transmission Control Solenoid Valve
  • Transmission Control Solenoid Valve harness is open or shorted
  • Transmission Control Solenoid Valve circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P2824 2018 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2824 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2824 2018 Chevrolet Silverado code?

Need more information on how to fix the P2824 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 Chevrolet Silverado Code

1. What does the OBDII code P2824 mean for a 2018 Chevrolet Silverado?

P2824 indicates that the Transmission Control Solenoid Valve 9 Control Circuit has an open circuit, meaning there is a disconnection or fault in the circuit controlling solenoid valve 9 in the transmission.

2. What are the common symptoms of the P2824 code in a 2018 Chevrolet Silverado?

Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel efficiency, or the vehicle entering limp mode. The check engine light will also illuminate.

3. What causes the P2824 code to appear in a 2018 Chevrolet Silverado?

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

4. Can I still drive my 2018 Chevrolet Silverado with the P2824 code?

It’s not recommended to drive with this code, as it may cause further damage to the transmission or lead to unsafe driving conditions due to shifting issues.

5. How do you diagnose the P2824 code on a 2018 Chevrolet Silverado?

Diagnosis typically involves scanning for additional codes, inspecting the wiring and connectors for damage, testing the transmission control solenoid for proper operation, and checking the transmission control module.

6. How is the P2824 code fixed in a 2018 Chevrolet Silverado?

Repairs may include replacing the faulty transmission control solenoid, repairing or replacing damaged wiring or connectors, reprogramming or replacing the TCM, or topping off or flushing transmission fluid.

7. How much does it cost to fix a P2824 code on a 2018 Chevrolet Silverado?

Repair costs vary, but replacing a transmission control solenoid can range from $200 to $500, while wiring repairs may cost $100 to $300. TCM replacement can exceed $1,000.

8. Can low transmission fluid cause the P2824 code in a 2018 Chevrolet Silverado?

Yes, low or contaminated transmission fluid can cause solenoid-related codes like P2824 since proper fluid levels are required for solenoid operation.

9. Does the P2824 code mean the transmission is failing in a 2018 Chevrolet Silverado?

Not necessarily. While it could indicate a serious issue, the code often points to an electrical fault in the solenoid circuit rather than a full transmission failure.

10. Can I clear the P2824 code without fixing the issue on my 2018 Chevrolet Silverado?

Clearing the code without addressing the root cause will only result in the code returning. Proper diagnosis and repair are essential to resolve the issue.

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