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P2771 2014 Chevrolet Silverado Code - Four Wheel Drive Low Switch Circuit

Quick Answer

The P2771 diagnostic trouble code (DTC) in a 2014 Chevrolet Silverado relates to the Four Wheel Drive Low Switch Circuit. Common causes include Faulty four-wheel drive low switch, Damaged or corroded wiring in the circuit, Malfunctioning transfer case 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
P2771 2014 Chevrolet Silverado indicates Four Wheel Drive Low Switch Circuit.
Common causes
Common causes include Faulty four-wheel drive low switch, Damaged or corroded wiring in the circuit, Malfunctioning transfer case 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 16, 2024
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Code P2771 2014 Chevrolet Silverado Description

The P2771 diagnostic trouble code (DTC) in a 2014 Chevrolet Silverado relates to the Four Wheel Drive Low Switch Circuit. This code indicates that there is a malfunction in the circuit responsible for engaging the four-wheel drive low mode in the vehicle. The four-wheel drive low mode is essential for providing additional traction and torque in off-road or slippery driving conditions. When this circuit malfunctions, it can lead to the inability to engage the four-wheel drive low mode, which can compromise the vehicle's performance and safety in certain driving situations.

OBDII Code P2771 2014 Chevrolet Silverado - Four Wheel Drive Low Switch Circuit
P2771 2014 Chevrolet Silverado Code - Four Wheel Drive Low Switch Circuit

Common Causes of P2771 2014 Chevrolet Silverado

  1. Faulty four-wheel drive low switch
  2. Damaged or corroded wiring in the circuit
  3. Malfunctioning transfer case control module
  4. Issues with the four-wheel drive actuator
  5. Electronic control module (ECM) software glitches

Symptoms of P2771 2014 Chevrolet Silverado

  1. Inability to engage four-wheel drive low mode
  2. Illumination of the four-wheel drive warning light on the dashboard
  3. Difficulty shifting between different drive modes
  4. Reduced traction and stability in off-road or slippery conditions
  5. Unusual noises or vibrations when attempting to engage four-wheel drive low mode

How to Fix P2771 2014 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the four-wheel drive low switch and its wiring to check for any visible damage or corrosion.
  2. Test the functionality of the switch using a multimeter to determine if it is sending the correct signals.
  3. Inspect the transfer case control module and related components for any signs of damage or malfunction.
  4. If necessary, replace the faulty four-wheel drive low switch, repair damaged wiring, or replace the transfer case control module.
  5. Clear the DTC from the vehicle's computer system and test the four-wheel drive low mode to ensure proper functionality.

Cost to Fix P2771 2014 Chevrolet Silverado

The typical repair costs for addressing the P2771 code in a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. Generally, replacing a faulty four-wheel drive low switch or repairing damaged wiring may cost between $150 to $300. If the transfer case control module needs to be replaced, the cost could range from $400 to $800. Labor rates at auto repair shops typically range from $80 to $150 per hour, so the total repair cost can vary based on the time required for diagnosis and repair. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of the vehicle.

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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 P2771 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2771 in a 2014 Chevrolet Silverado?

- Common symptoms include the Four Wheel Drive (4WD) system not engaging or disengaging properly, warning lights on the dashboard, and issues with shifting into 4WD Low.

2. What could cause the OBDII code P2771 in a 2014 Chevrolet Silverado?

- The most common cause of P2771 is a malfunction in the Four Wheel Drive Low Switch Circuit, which can be due to wiring issues, a faulty switch, or a problem with the transfer case control module.

3. How serious is the OBDII code P2771 in a 2014 Chevrolet Silverado?

- While the vehicle may still be driveable with this code, it is important to address it promptly to ensure the proper functioning of the 4WD system, especially in off-road or low-traction situations.

4. Can I continue driving my 2014 Chevrolet Silverado with the OBDII code P2771?

- It is not recommended to ignore P2771, as it can lead to potential issues with the 4WD system. It is best to have the problem diagnosed and repaired as soon as possible.

5. How can I diagnose the OBDII code P2771 in my 2014 Chevrolet Silverado?

- Diagnosing P2771 typically involves using a scan tool to retrieve the code, checking the wiring and connections related to the Four Wheel Drive Low Switch Circuit, and testing the switch and transfer case control module.

6. What are some repair tips for fixing the OBDII code P2771 in a 2014 Chevrolet Silverado?

- Repair tips may include inspecting and repairing any damaged wiring, replacing a faulty switch or transfer case control module, and ensuring all connections are secure and free of corrosion.

7. Can weather or driving conditions affect the occurrence of OBDII code P2771 in a 2014 Chevrolet Silverado?

- Extreme weather or off-road driving conditions can potentially exacerbate issues with the 4WD system, leading to the triggering of P2771. Regular maintenance and inspections can help prevent such occurrences.

8. Is it possible to reset the OBDII code P2771 in a 2014 Chevrolet Silverado without repairing the issue?

- While clearing the code may temporarily turn off the warning lights, the underlying problem causing P2771 will persist. It is crucial to fix the root cause of the issue to prevent further damage.

9. Are there any recalls or technical service bulletins related to OBDII code P2771 in a 2014 Chevrolet Silverado?

- It is advisable to check with the manufacturer or a certified dealership for any recalls or technical service bulletins related to P2771 in your specific vehicle model and year.

10. How much does it typically cost to repair the OBDII code P2771 in a 2014 Chevrolet Silverado?

- The cost of repairing P2771 can vary depending on the root cause of the issue, the extent of repairs needed, and labor costs. It is recommended to obtain estimates from reputable mechanics or dealerships.

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