AutoCodes – Chevrolet – P2669 2018 Chevrolet Silverado

P2669 2018 Chevrolet Silverado Code - Actuator High Control Circuit Group 2

Quick Answer

The Transmission Control Module (TCM) receives information from a variety of sensors, switches, and serial data information from other control modules. Common causes include Faulty Transmission Control Solenoid Valve, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted. 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
P2669 2018 Chevrolet Silverado indicates Actuator High Control Circuit Group 2.
Common causes
Common causes include Faulty Transmission Control Solenoid Valve, Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 215
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 18, 2022
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Code P2669 2018 Chevrolet Silverado Description

The Transmission Control Module (TCM) receives information from a variety of sensors, switches, and serial data information from other control modules. This information is used to control a combination of solenoid valves to obtain the correct line pressure, gear ratio, and torque converter clutch operation. The Transmission Control Solenoid Valves are electro-mechanically operated valves. The valves are controlled by an electric current through the solenoid. The TCM high side driver 2 is located inside of the control solenoid valve assembly which has no serviceable parts. The high side driver 2 provides power to the Transmission Control Module pressure control solenoids and shift solenoids. The Diagnostic Trouble Code (DTC) will be set when the TCM detects an open or short to ground or voltage on the high side driver 2 for 1 s.
OBDII Code P2669 2018 Chevrolet Silverado - Actuator High Control Circuit Group 2 - AutoCodes.com
P2669 2018 Chevrolet Silverado Code - Actuator High Control Circuit Group 2

What are the Possible Causes of the DTC P2669 2018 Chevrolet Silverado?

  • Faulty Transmission Control Solenoid Valve
  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission Control Module circuit poor electrical connection

How to Fix the DTC P2669 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 P2669 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 P2669 2018 Chevrolet Silverado code?

Need more information on how to fix the P2669 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P2669 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2669 on a 2018 Chevrolet Silverado?

The common symptoms of code P2669 include rough idling, reduced engine performance, and potential stalling of the vehicle.

2. What causes the OBDII code P2669 to appear on a 2018 Chevrolet Silverado?

Code P2669 is triggered when there is a malfunction in the actuator high control circuit Group 2, typically caused by wiring issues, a faulty actuator, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P2669 on my 2018 Chevrolet Silverado?

Diagnosing code P2669 requires using an OBDII scanner to retrieve the specific fault code, followed by inspecting the wiring, connectors, and actuator associated with the high control circuit Group 2.

4. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P2669?

It is not recommended to drive your vehicle with code P2669 present, as it can lead to further damage to the engine components. It's best to address the issue promptly.

5. How do I repair OBDII code P2669 on my 2018 Chevrolet Silverado?

Repairing code P2669 may involve fixing any wiring or connector issues, replacing a faulty actuator, or reprogramming the ECM. It's advisable to consult a professional mechanic for an accurate diagnosis and repair.

6. Is it possible to reset the OBDII code P2669 on a 2018 Chevrolet Silverado without fixing the underlying issue?

While you can clear the code with an OBDII scanner, it will likely reappear if the root cause of the problem is not addressed. It's essential to fix the issue to prevent further complications.

7. How much does it typically cost to repair OBDII code P2669 on a 2018 Chevrolet Silverado?

The cost of repairing code P2669 can vary depending on the exact cause of the issue, the needed parts, and labor costs. It's recommended to get a few quotes from different mechanics to compare prices.

8. Can a DIY enthusiast fix OBDII code P2669 on a 2018 Chevrolet Silverado?

For those with adequate automotive knowledge and the right tools, it may be possible to address code P2669 as a DIY project. However, complex issues or electrical work may require professional assistance.

9. Will OBDII code P2669 cause my 2018 Chevrolet Silverado to fail an emissions test?

Yes, code P2669 can cause your vehicle to fail an emissions test, as it signifies a problem with the actuator high control circuit Group 2, which can impact emissions performance.

10. How urgent is it to address OBDII code P2669 on a 2018 Chevrolet Silverado?

It is essential to address code P2669 promptly to prevent potential engine damage and ensure the vehicle operates efficiently. Ignoring the issue can lead to more significant problems down the line.

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