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Engine-Codes – GMC – B3794:61 2014 GMC Sierra

B3794:61 2014 GMC Sierra Code - Cruise Control Function Request Circuit

Quick Answer

The B3794:61 diagnostic trouble code (DTC) for the 2014 GMC Sierra specifically relates to the Cruise Control Function Request Circuit. Common causes include Faulty cruise control switch or buttons, Damaged cruise control function request circuit wiring, Defective 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
B3794:61 2014 GMC Sierra indicates Cruise Control Function Request Circuit.
Common causes
Common causes include Faulty cruise control switch or buttons, Damaged cruise control function request circuit wiring, Defective 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 11, 2024
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Code B3794:61 2014 GMC Sierra Description

The B3794:61 diagnostic trouble code (DTC) for the 2014 GMC Sierra specifically relates to the Cruise Control Function Request Circuit. This code indicates that there is a malfunction in the circuit responsible for transmitting signals from the cruise control system to the vehicle's engine control module (ECM). The cruise control system is designed to maintain a set speed without the driver needing to press the accelerator pedal constantly. When this circuit malfunctions, it can affect the functionality of the cruise control system, leading to erratic behavior or complete failure of the system.

OBDII Code B3794:61 2014 GMC Sierra - Cruise Control Function Request Circuit
B3794:61 2014 GMC Sierra Code - Cruise Control Function Request Circuit

Common Causes of B3794:61 2014 GMC Sierra

  1. Faulty cruise control switch or buttons.
  2. Damaged cruise control function request circuit wiring.
  3. Defective cruise control module.
  4. ECM communication issues.
  5. Corrosion or poor connections in the circuit.

Symptoms of B3794:61 2014 GMC Sierra

  1. Inability to engage the cruise control system.
  2. Cruise control setting not holding or maintaining the set speed.
  3. Cruise control system engaging intermittently or unpredictably.
  4. Check Engine Light (CEL) or Cruise Control Light illuminated on the dashboard.

How to Fix B3794:61 2014 GMC Sierra

  1. Begin by conducting a thorough inspection of the cruise control system, including the switch, wiring, and module.
  2. Use a multimeter to test the cruise control function request circuit for continuity and proper voltage.
  3. Check for any corroded or damaged wiring in the circuit and repair or replace as necessary.
  4. If the issue lies with the cruise control module or ECM, diagnostic testing may be required to pinpoint the exact fault.
  5. Once the faulty component is identified, replace it with a new part and test the cruise control system for proper functionality.

Cost to Fix B3794:61 2014 GMC Sierra

The cost of repairing the Cruise Control Function Request Circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. Typically, parts for this repair could range from $100 to $300, with additional costs for diagnostic testing and labor. In general, you could expect the total repair cost to be between $200 and $500, but it's advisable to obtain quotes from local auto repair shops to get a more accurate estimate. Keep in mind that rates can differ based on factors such as location, vehicle make and model, and the severity of the issue.

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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 B3794:61 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code B3794:61 in a 2014 GMC Sierra related to the Cruise Control Function Request Circuit?

- Common symptoms include the cruise control not working properly or failing to engage.

2. What could be the potential causes of OBDII code B3794:61 in a 2014 GMC Sierra?

- Possible causes may include a faulty cruise control switch, damaged wiring harness, or a malfunctioning cruise control module.

3. How can I diagnose the Cruise Control Function Request Circuit issue in my 2014 GMC Sierra?

- You can diagnose the problem by checking the cruise control fuse, inspecting the wiring for any damage, and using a diagnostic scanner to read the specific error code.

4. Can I still drive my 2014 GMC Sierra with the OBDII code B3794:61 present?

- It is generally safe to drive the vehicle with this error code, but you may experience issues with the cruise control function.

5. How do I reset the OBDII code B3794:61 in my 2014 GMC Sierra after repairing the Cruise Control Function Request Circuit?

- You can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

6. Is it possible to repair the Cruise Control Function Request Circuit issue in my 2014 GMC Sierra myself?

- Depending on your skills and experience, you may be able to repair the issue yourself by replacing faulty components or fixing damaged wiring.

7. What are the potential risks of ignoring the OBDII code B3794:61 in a 2014 GMC Sierra?

- Ignoring this error code may lead to continued issues with the cruise control function, which could affect the vehicle's performance and convenience.

8. How much does it typically cost to fix the Cruise Control Function Request Circuit problem in a 2014 GMC Sierra?

- The cost of repairs can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can extreme weather conditions impact the Cruise Control Function Request Circuit in a 2014 GMC Sierra?

- Extreme weather conditions can potentially affect the cruise control system, causing intermittent malfunctions. It's important to keep the system well-maintained.

10. Is the Cruise Control Function Request Circuit issue covered under warranty for a 2014 GMC Sierra?

- Depending on the warranty status and coverage of your vehicle, repairs for the cruise control function may be covered under certain warranties. Check with your dealership or warranty provider for more information.

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