B3794 Code - Cruise Control Function Request Circuit
Quick Answer
The B3794 code refers to a Cruise Control Function Request Circuit error. Common causes include Faulty cruise control module, Damaged cruise control switches, Wiring issues or shorts in the cruise control circuit. 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 indicates Cruise Control Function Request Circuit.
- Common causes
- Common causes include Faulty cruise control module, Damaged cruise control switches, Wiring issues or shorts in the cruise control circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B3794 Description
The B3794 code refers to a Cruise Control Function Request Circuit error. Cruise control is a feature in vehicles that allows the driver to set a constant speed without having to manually control the throttle. This code indicates that there is a problem with the circuit that sends signals to the cruise control system, which can result in the cruise control not functioning properly or at all.
Common Causes of B3794
- Faulty cruise control module
- Damaged cruise control switches
- Wiring issues or shorts in the cruise control circuit
- Blown fuse related to the cruise control system
- Electronic control unit (ECU) malfunction
Symptoms of B3794
- Inoperative cruise control system
- Cruise control engages but disengages unexpectedly
- Cruise control speed cannot be set or maintained
- Illumination of the cruise control warning light on the dashboard
How to Fix B3794
- Begin by conducting a thorough inspection of the cruise control system, including the module, switches, and wiring, to identify any visible signs of damage or wear.
- Test the cruise control circuit with a multimeter to check for continuity and proper signal transmission.
- Replace any faulty components, such as the cruise control module, switches, or damaged wiring.
- Reset the ECU to clear any stored error codes related to the cruise control system.
- Test the cruise control system after repairs to ensure proper functionality.
Cost to Fix B3794
The typical repair costs for a B3794 code can vary depending on the specific cause of the issue and the cost of parts and labor. On average, repairing a cruise control function request circuit error can range from $150 to $500. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It is advisable to check with local shops for a more accurate estimate of repair costs.
Need more information about the B3794 code?
Need more information on how to fix the B3794 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3794 code diagnosed by a professional: Find a repair shop in your area
Code B3794 Information for Specific Makes
- B3794 Buick — Cruise Control Function Request Circuit
- B3794 Cadillac — Cruise Control Function Request Circuit
- B3794:08 Chevrolet — Cruise Control Function Request Circuit
- B3794 Chevrolet — Cruise Control Function Request Circuit
- B3794:61 Chevrolet — Cruise Control Function Request Circuit
- B3794 GMC — Cruise Control Function Request Circuit
Frequently Asked Questions about B3794 Code
1. What are the common symptoms of OBDII code B3794 (Cruise Control Function Request Circuit)?
The common symptoms include non-functioning cruise control, illuminated "Cruise Control" warning light on the dashboard, and potential speed control issues.
2. What are the possible causes of OBDII code B3794?
The possible causes of this code can be a faulty cruise control switch, damaged wiring or connectors in the cruise control system, or a defective cruise control module.
3. How can I diagnose the issue related to OBDII code B3794?
To diagnose the problem, you can use a diagnostic scan tool to read the code and check for any related codes. Additionally, inspect the cruise control switch, wiring, and connectors for any visible damage.
4. Can a blown fuse cause OBDII code B3794 to occur?
Yes, a blown fuse in the cruise control system can lead to the activation of code B3794. Check the cruise control system's fuse box and replace any blown fuses as necessary.
5. How can I repair OBDII code B3794?
Repairing this code typically involves fixing or replacing the faulty cruise control switch, repairing damaged wiring or connectors, or replacing the cruise control module if needed.
6. Is it safe to continue driving with OBDII code B3794 active?
While the vehicle is generally safe to drive with this code, it is recommended to address the issue promptly to restore the proper functioning of the cruise control system.
7. Can resetting the vehicle's computer clear OBDII code B3794?
Resetting the vehicle's computer may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear after some time.
8. Do I need a professional mechanic to fix OBDII code B3794?
While some DIY enthusiasts may be able to address this code themselves, it is recommended to consult a professional mechanic for a proper diagnosis and repair, especially if you are not experienced with automotive electrical systems.
9. Will OBDII code B3794 affect the overall drivability of the vehicle?
In most cases, this code will not affect the overall drivability of the vehicle, but the cruise control function will be disabled until the issue is resolved.
10. Can extreme weather conditions trigger OBDII code B3794?
Extreme weather conditions can potentially impact the cruise control system and trigger code B3794. Inspect the system for any weather-related damage or issues during such conditions.
Discuss the causes and fixes for B3794 OBDII Code
Code B3794 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.