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P2826 2016 GMC Sierra Code - Transmission Control Solenoid Valve 9 Control Circuit Low Voltage

Quick Answer

The P2826 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Transmission Control Solenoid Valve 9 Control Circuit Low Voltage. Common causes include Damaged wiring or connectors in the control circuit, Faulty transmission control solenoid valve 9, Low transmission fluid levels. 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
P2826 2016 GMC Sierra indicates Transmission Control Solenoid Valve 9 Control Circuit Low Voltage.
Common causes
Common causes include Damaged wiring or connectors in the control circuit, Faulty transmission control solenoid valve 9, Low transmission fluid levels.
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 18, 2024
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Code P2826 2016 GMC Sierra Description

The P2826 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Transmission Control Solenoid Valve 9 Control Circuit Low Voltage. This code indicates that there is a problem with the control circuit for the transmission control solenoid valve 9, which is responsible for regulating the flow of transmission fluid within the transmission system. The transmission control solenoid valves play a crucial role in shifting gears smoothly and efficiently in an automatic transmission vehicle.

OBDII Code P2826 2016 GMC Sierra - Transmission Control Solenoid Valve 9 Control Circuit Low Voltage
P2826 2016 GMC Sierra Code - Transmission Control Solenoid Valve 9 Control Circuit Low Voltage

Common Causes of P2826 2016 GMC Sierra

  1. Damaged wiring or connectors in the control circuit
  2. Faulty transmission control solenoid valve 9
  3. Low transmission fluid levels
  4. Electrical issues such as a blown fuse or relay
  5. Malfunctioning transmission control module

Symptoms of P2826 2016 GMC Sierra

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Stuck in a particular gear
  4. Poor acceleration
  5. Reduced fuel efficiency

How to Fix P2826 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the wiring and connectors in the control circuit to identify any damage or loose connections. Repair or replace any faulty components as needed.
  2. Test the transmission control solenoid valve 9 to determine if it is functioning correctly. Replace the solenoid if it is found to be faulty.
  3. Check the transmission fluid levels and top up if necessary. Inspect the fluid for any signs of contamination or wear.
  4. Verify the integrity of the fuses and relays related to the transmission control system. Replace any blown fuses or faulty relays.
  5. If the issue persists, consider testing the transmission control module for any malfunctions and replace it if necessary.

Cost to Fix P2826 2016 GMC Sierra

The typical repair costs for addressing a P2826 code related to the Transmission Control Solenoid Valve 9 Control Circuit Low Voltage can vary depending on the extent of the issue and the specific repairs needed. On average, the parts for this repair, including a new transmission control solenoid valve and any necessary wiring or connectors, can range from $100 to $300. Labor costs can add an additional $150 to $300, bringing the total repair cost to approximately $250 to $600. It is important to note that these estimates are general and may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It is advisable to consult with a trusted auto repair shop for a more accurate cost estimate tailored to your specific situation.

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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 P2826 2016 GMC Sierra Code

1. What does the OBDII code P2826 mean on a 2016 GMC Sierra?

The code P2826 indicates a problem in the Transmission Control Solenoid Valve 9 Control Circuit, specifically a low voltage issue.

2. What are the symptoms of code P2826 in a 2016 GMC Sierra?

Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel efficiency, or the transmission being stuck in a single gear.

3. What causes the P2826 code in a GMC Sierra?

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

4. How can I diagnose the P2826 code on my 2016 GMC Sierra?

Start by checking the transmission fluid level and quality, inspect the wiring and connectors for damage or corrosion, and test the solenoid and related circuits using a multimeter.

5. Can I drive my 2016 GMC Sierra with the P2826 code?

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

6. How do I fix the P2826 code on my GMC Sierra?

Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, or updating or reprogramming the TCM if necessary.

7. How much does it cost to repair the P2826 code in a 2016 GMC Sierra?

Repair costs can range from $150 to $400 for solenoid replacement, while wiring or TCM repairs may vary depending on labor and parts.

8. Can a low transmission fluid level cause the P2826 code?

Yes, low or contaminated transmission fluid can lead to improper solenoid operation, triggering the P2826 code.

9. Will clearing the P2826 code with a scanner fix the issue?

Clearing the code may temporarily remove the check engine light, but the underlying issue must be fixed to prevent the code from returning.

10. How often does the P2826 code occur in GMC Sierras?

This code is relatively uncommon but can occur due to wear and tear, especially in high-mileage vehicles or if regular maintenance has been neglected.

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