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P2671 2014 Chevrolet Silverado Code - Actuator High Control Circuit Group 2 High Voltage

Quick Answer

The P2671 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates an issue with the Actuator High Control Circuit Group 2 High Voltage. Common causes include Faulty wiring in the actuator control circuit, Malfunctioning actuator, Issues with the 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
P2671 2014 Chevrolet Silverado indicates Actuator High Control Circuit Group 2 High Voltage.
Common causes
Common causes include Faulty wiring in the actuator control circuit, Malfunctioning actuator, Issues with the 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P2671 2014 Chevrolet Silverado Description

The P2671 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates an issue with the Actuator High Control Circuit Group 2 High Voltage. This code is specific to the actuator control system in the vehicle, which is responsible for regulating various components such as the throttle, fuel mixture, and emissions systems. In this case, the code signifies that there is a high voltage condition detected in the control circuit for actuator group 2.

OBDII Code P2671 2014 Chevrolet Silverado - Actuator High Control Circuit Group 2 High Voltage
P2671 2014 Chevrolet Silverado Code - Actuator High Control Circuit Group 2 High Voltage

Common Causes of P2671 2014 Chevrolet Silverado

  1. Faulty wiring in the actuator control circuit
  2. Malfunctioning actuator
  3. Issues with the control module
  4. Power supply problems to the actuator
  5. Corrosion or damage to electrical connections

Symptoms of P2671 2014 Chevrolet Silverado

  1. Rough idling
  2. Poor acceleration
  3. Stalling
  4. Decreased fuel efficiency
  5. Check Engine Light illuminated

How to Fix P2671 2014 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the actuator control circuit, wiring, and connections to identify any visible damage or corrosion.
  2. Test the actuator and control module to determine if they are functioning correctly.
  3. Check the power supply to the actuator to ensure it is within the specified voltage range.
  4. Replace any damaged wiring, connectors, or components as needed.
  5. Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P2671 2014 Chevrolet Silverado

The typical repair costs for addressing a P2671 DTC on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of parts and labor for this repair could range from $200 to $500. However, it is important to note that prices can vary significantly based on factors such as location, vehicle make and model, and the rates charged by auto repair shops. It is advisable to obtain quotes from local shops to get a more accurate estimate for this repair. Keep in mind that diagnosis time and labor rates can impact the overall cost, with rates typically ranging from $80 to $150 per hour.

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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 P2671 2014 Chevrolet Silverado Code

1. What does the OBDII code P2671 mean on a 2014 Chevrolet Silverado?

The P2671 code indicates a problem with the "Actuator High Control Circuit Group 2 High Voltage," meaning the ECM has detected an excessively high voltage in this circuit.

2. What are the common symptoms of the P2671 code in a 2014 Chevrolet Silverado?

Symptoms may include the check engine light turning on, poor engine performance, rough idling, or failure of certain actuators or components to function properly.

3. What causes the P2671 code to appear on a 2014 Chevrolet Silverado?

Common causes include a faulty actuator, damaged wiring or connectors in the circuit, short circuits, or a malfunctioning powertrain control module (PCM).

4. How is the P2671 code diagnosed on a 2014 Chevrolet Silverado?

Diagnosis typically involves scanning the vehicle with an OBDII scanner, inspecting the wiring and connectors in the circuit, and testing the actuator and ECM for proper functionality.

5. Can I drive my 2014 Chevrolet Silverado with the P2671 code active?

Driving with this code may lead to impaired performance or further damage to the engine or electrical system, so it’s best to address the issue promptly.

6. How do you fix the P2671 code on a 2014 Chevrolet Silverado?

Repairs may include replacing the faulty actuator, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.

7. What is the cost of repairing the P2671 code on a 2014 Chevrolet Silverado?

Repair costs can vary depending on the exact issue but typically range from $100 to $500 for parts and labor, depending on whether the actuator, wiring, or PCM needs attention.

8. Can a dead battery cause the P2671 code on a 2014 Chevrolet Silverado?

While unlikely, a weak or dead battery can sometimes cause voltage-related errors, so it’s worth checking the battery and charging system as part of the diagnosis.

9. How can I prevent the P2671 code from recurring on my 2014 Chevrolet Silverado?

Regular maintenance, including checking wiring and connectors for damage and ensuring actuators are functioning properly, can help prevent this code from reappearing.

10. Is the P2671 code specific to Chevrolet vehicles, or can it occur in other makes and models?

The P2671 code is not specific to Chevrolet and can appear in other makes and models, but the exact causes and solutions may vary depending on the vehicle.

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