Engine-CodesChevrolet – P1622 Chevrolet

P1622 Chevrolet Code - Cylinder Select

Quick Answer

The P1622 code for Chevrolet vehicles refers to an issue with the cylinder select function. Common causes include Faulty cylinder select solenoid, Wiring issues or electrical connections, Malfunctioning 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
P1622 Chevrolet indicates Cylinder Select.
Common causes
Common causes include Faulty cylinder select solenoid, Wiring issues or electrical connections, Malfunctioning 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 10, 2024
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Code P1622 Chevrolet Description

The P1622 code for Chevrolet vehicles refers to an issue with the cylinder select function. This code indicates that there is a problem with the control module that manages the activation and deactivation of specific cylinders in the engine. In vehicles equipped with cylinder deactivation technology, this code may be triggered when the control module detects a fault in the system.

OBDII Code P1622 Chevrolet - Cylinder Select
P1622 Chevrolet Code - Cylinder Select

Common Causes of P1622 Chevrolet

  1. Faulty cylinder select solenoid
  2. Wiring issues or electrical connections
  3. Malfunctioning control module
  4. Internal engine problems
  5. Low engine oil level or dirty oil

Symptoms of P1622 Chevrolet

  1. Reduced fuel efficiency
  2. Decreased power output
  3. Rough idling or vibrations
  4. Engine misfires
  5. Illumination of the check engine light

How to Fix P1622 Chevrolet

  1. Begin by using a diagnostic scan tool to read the code and identify the specific cylinder select issue.
  2. Inspect the wiring and connections related to the cylinder select system for any damage or corrosion.
  3. Test the cylinder select solenoid for proper operation and replace if necessary.
  4. Verify the functionality of the control module and replace if it is found to be faulty.
  5. Clear the diagnostic trouble codes and perform a test drive to ensure that the issue has been resolved.

Cost to Fix P1622 Chevrolet

The typical repair costs for addressing a P1622 code on a Chevrolet vehicle can range from $200 to $500, including parts and labor. It is important to note that the 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 may also differ between dealerships, independent shops, and metropolitan areas. It is recommended to contact local auto repair shops for a more accurate estimate based on your specific circumstances.

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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.

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