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B3794:61 Chevrolet Code - Cruise Control Function Request Circuit

Quick Answer

The B3794:61 code for Chevrolet vehicles indicates a problem with the Cruise Control Function Request Circuit. Common causes include Faulty cruise control switch or buttons, Wiring issues or loose connections in the cruise control circuit, Malfunctioning cruise control module or control unit. 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 Chevrolet indicates Cruise Control Function Request Circuit.
Common causes
Common causes include Faulty cruise control switch or buttons, Wiring issues or loose connections in the cruise control circuit, Malfunctioning cruise control module or control unit.
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 13, 2024
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Code B3794:61 Chevrolet Description

The B3794:61 code for Chevrolet vehicles indicates a problem with the Cruise Control Function Request Circuit. The cruise control system allows the driver to set a desired speed for the vehicle to maintain automatically, providing convenience and comfort during long drives. When this code is triggered, it means that there is a malfunction in the circuit responsible for receiving and processing the driver's input to engage the cruise control function.

OBDII Code B3794:61 Chevrolet - Cruise Control Function Request Circuit
B3794:61 Chevrolet Code - Cruise Control Function Request Circuit

Common Causes of B3794:61 Chevrolet

  1. Faulty cruise control switch or buttons.
  2. Wiring issues or loose connections in the cruise control circuit.
  3. Malfunctioning cruise control module or control unit.
  4. Defective speed sensors or throttle position sensors.
  5. Electronic control unit (ECU) software glitches or programming errors.

Symptoms of B3794:61 Chevrolet

  1. Inability to set or maintain a desired speed using the cruise control system.
  2. Cruise control system not engaging or disengaging unexpectedly.
  3. Illumination of the cruise control warning light on the dashboard.
  4. Erratic behavior of the vehicle speed when cruise control is activated.
  5. Lack of response from cruise control buttons on the steering wheel.

How to Fix B3794:61 Chevrolet

  1. Begin by conducting a thorough inspection of the cruise control system components, including switches, wiring, sensors, and control modules.
  2. Use a diagnostic scan tool to retrieve the specific fault codes and pinpoint the exact location of the issue within the Cruise Control Function Request Circuit.
  3. Test each component individually to identify the faulty part causing the malfunction.
  4. Replace any defective components such as switches, sensors, or control modules as needed.
  5. Clear the diagnostic trouble codes from the vehicle's ECU and test the cruise control system to ensure proper functionality.

Cost to Fix B3794:61 Chevrolet

The cost of repairing the Cruise Control Function Request Circuit issue can vary depending on the specific cause of the problem and the parts that need to be replaced. On average, the repair costs for this type of issue can range from $150 to $500, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can fluctuate based on various factors. It's recommended to consult with a local mechanic or dealership to get a more accurate estimate based on your vehicle's make and model.

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Information for Specific Chevrolet Models

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 Chevrolet Code

1. What does the OBDII code B3794:61 mean on a Chevrolet?

The code B3794:61 indicates an issue with the cruise control function request circuit, specifically a signal failure or malfunction detected by the Body Control Module (BCM).

2. What are the common symptoms of the B3794:61 code?

Symptoms may include cruise control not activating, the cruise control shutting off unexpectedly, or warning lights appearing on the dashboard.

3. What causes the B3794:61 code to trigger?

Common causes include a faulty cruise control switch, damaged wiring or connectors in the cruise control circuit, or a malfunctioning Body Control Module (BCM).

4. Can I still drive my car with the B3794:61 code?

Yes, you can still drive the vehicle, but the cruise control feature may not function until the issue is resolved.

5. How can I diagnose the B3794:61 code on my Chevrolet?

Check the cruise control switch for proper operation, inspect the wiring and connectors for damage or corrosion, and use a scan tool to monitor the cruise control system inputs and outputs.

6. Can a blown fuse cause the B3794:61 code?

Yes, a blown fuse in the cruise control circuit can interrupt the signal and cause this code to appear.

7. How do I fix the B3794:61 code?

Repairs may involve replacing the cruise control switch, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the BCM if necessary.

8. How much does it cost to repair the B3794:61 code?

The cost depends on the root cause but can range from $50 for a simple switch replacement to $500 or more if the BCM needs replacement and programming.

9. Can a DIYer fix the B3794:61 code, or is a mechanic needed?

Basic repairs like replacing the cruise control switch or addressing wiring issues can be done by a DIYer with proper tools and knowledge. Complex issues like reprogramming the BCM may require a professional mechanic.

10. Will clearing the B3794:61 code fix the problem?

Clearing the code will only temporarily reset it. The underlying issue in the cruise control circuit must be addressed to prevent the code from returning.

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