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B3794:08 2014 Chevrolet Silverado Code - Cruise Control Function Request Circuit

Quick Answer

The B3794:08 diagnostic trouble code (DTC) in a 2014 Chevrolet Silverado relates to the Cruise Control Function Request Circuit. Common causes include Damaged wiring or connectors in the cruise control circuit, Faulty cruise control switch, Malfunctioning cruise 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
B3794:08 2014 Chevrolet Silverado indicates Cruise Control Function Request Circuit.
Common causes
Common causes include Damaged wiring or connectors in the cruise control circuit, Faulty cruise control switch, Malfunctioning cruise 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 15, 2024
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Code B3794:08 2014 Chevrolet Silverado Description

The B3794:08 diagnostic trouble code (DTC) in a 2014 Chevrolet Silverado relates to the Cruise Control Function Request Circuit. This code indicates that there is a malfunction in the circuit responsible for receiving and processing cruise control commands from the driver. The cruise control system allows the driver to set a desired speed for the vehicle to maintain automatically, providing convenience and reducing driver fatigue on long trips.

OBDII Code B3794:08 2014 Chevrolet Silverado - Cruise Control Function Request Circuit
B3794:08 2014 Chevrolet Silverado Code - Cruise Control Function Request Circuit

Common Causes of B3794:08 2014 Chevrolet Silverado

  1. Damaged wiring or connectors in the cruise control circuit
  2. Faulty cruise control switch
  3. Malfunctioning cruise control module
  4. Issues with the vehicle's electronic control unit (ECU)
  5. Corrosion or poor connections in the circuit

Symptoms of B3794:08 2014 Chevrolet Silverado

  1. Inoperative cruise control system
  2. Cruise control light flashing or staying on
  3. Erratic behavior when attempting to set or adjust cruise control speed
  4. Check Engine Light illuminated
  5. Vehicle speed not maintaining as set by the driver

How to Fix B3794:08 2014 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the cruise control circuit, checking for any visible damage to wiring or connectors.
  2. Test the cruise control switch and module for proper functionality using a multimeter or diagnostic tool.
  3. If necessary, replace the faulty cruise control switch or module with a new component.
  4. Clear the DTC from the vehicle's ECU using a diagnostic scanner to reset the system and retest the cruise control function.
  5. Conduct a road test to verify that the cruise control system is operating correctly after the repair.

Cost to Fix B3794:08 2014 Chevrolet Silverado

The cost of repairing the Cruise Control Function Request Circuit issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the repair cost for this type of issue can range from $150 to $400. However, it is essential to note that labor rates at auto repair shops can vary significantly, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle make and model, and the extent of the repair needed can also influence the final cost. To obtain a more accurate estimate, it is recommended to consult with a trusted auto repair shop in your area.

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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 B3794:08 2014 Chevrolet Silverado Code

1. What does the OBDII code B3794:08 indicate on a 2014 Chevrolet Silverado?

This code indicates a specific issue with the cruise control function request circuit, suggesting that the circuit has a performance issue or an open condition.

2. What symptoms might I notice if my 2014 Chevrolet Silverado has the B3794:08 code?

You may notice that the cruise control is not engaging or is functioning intermittently. There may also be a warning light on the dashboard related to cruise control or the check engine light.

3. What could cause the B3794:08 code to appear in a 2014 Chevrolet Silverado?

Possible causes include a faulty cruise control switch, damaged wiring in the cruise control circuit, or issues with the cruise control module.

4. How can I diagnose the B3794:08 code in my 2014 Chevrolet Silverado?

Diagnosis should start with a visual inspection of the cruise control system's wiring and connections. Use a scan tool to check for additional codes that might indicate where the malfunction is occurring, and consider testing the cruise control switch and module with a multimeter.

5. What are the steps to repair the B3794:08 code on a 2014 Chevrolet Silverado?

Repair steps may include replacing the faulty cruise control switch, repairing or replacing damaged wires or connectors in the cruise control circuit, or replacing the cruise control module if it is defective.

6. Is it safe to drive my 2014 Chevrolet Silverado with the B3794:08 code?

While the vehicle can be driven, the cruise control might not function properly. If the cruise control is essential for your driving needs, it's best to address the issue promptly.

7. Can ignoring the B3794:08 code lead to other problems in a 2014 Chevrolet Silverado?

Ignoring this code can lead to further damage within the cruise control system components, potentially resulting in more expensive repairs down the line.

8. How urgent is it to fix the B3794:08 code in a 2014 Chevrolet Silverado?

It’s moderately urgent, especially if you rely heavily on cruise control for long drives. Repairing it promptly can help ensure it functions correctly when you need it.

9. What tools are needed to diagnose and repair the B3794:08 code in a 2014 Chevrolet Silverado?

Tools needed may include a diagnostic scan tool, a multimeter for electrical testing, and basic hand tools for accessing and replacing components.

10. Could the B3794:08 code affect the overall performance of my 2014 Chevrolet Silverado?

This code primarily affects the cruise control system and does not typically impact the overall engine performance. However, electrical issues, if left unresolved, can sometimes lead to more significant vehicle-wide electrical problems.

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