B3794:08 2015 GMC Sierra Code - Cruise Control Function Request Circuit
Quick Answer
The Cruise Control Switch is an input to the Body Control Module (BCM). Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch circuit poor electrical connection. 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 2015 GMC Sierra indicates Cruise Control Function Request Circuit.
- Common causes
- Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch circuit poor electrical connection.
- 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.
Code B3794:08 2015 GMC Sierra Description
What are the Possible Causes of the DTC B3794:08 2015 GMC Sierra?
- Faulty Cruise Control Switch
- Cruise Control Switch harness is open or shorted
- Cruise Control Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3794:08 2015 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3794:08 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B3794:08 2015 GMC Sierra Code
1. What does OBDII code B3794:08 on a 2015 GMC Sierra indicate?
The code B3794:08 indicates a Cruise Control Function Request Circuit issue.
2. What are the common symptoms of a Cruise Control Function Request Circuit problem?
Common symptoms include the cruise control not engaging or disengaging properly, the cruise control light flashing, and potential issues with other vehicle systems.
3. What are the possible causes of OBDII code B3794:08 on a 2015 GMC Sierra?
Possible causes include a faulty cruise control switch, damaged wiring or connectors in the cruise control circuit, or a malfunctioning cruise control module.
4. How can I diagnose the Cruise Control Function Request Circuit problem in my 2015 GMC Sierra?
Diagnosis typically involves using an OBDII scanner to read the specific trouble code, inspecting the cruise control components for visible damage, and testing the cruise control system for proper functionality.
5. Is it safe to continue driving with the B3794:08 code present?
It is generally safe to drive with this code, but you may experience issues with your cruise control system. It is recommended to address the problem promptly to avoid any inconvenience.
6. Can I repair the Cruise Control Function Request Circuit issue myself?
Depending on your experience and access to tools, you may be able to repair the issue yourself by replacing the faulty cruise control components or repairing damaged wiring. However, professional assistance may be necessary for a more complex diagnosis.
7. How much does it cost to fix the B3794:08 code on a 2015 GMC Sierra?
The cost of fixing this code can vary depending on the specific cause of the issue and whether you choose to do the repairs yourself or seek help from a professional mechanic. Costs may include parts and labor.
8. Are there any common tricks or tips for troubleshooting the Cruise Control Function Request Circuit problem?
One common tip is to check the cruise control fuse first, as a blown fuse can often cause issues with the cruise control system. Additionally, inspecting the cruise control switch for proper operation can help narrow down the cause of the problem.
9. Can a Cruise Control Function Request Circuit issue affect the overall performance of my 2015 GMC Sierra?
While this specific issue primarily impacts the cruise control system, it may also be linked to other electrical or communication systems in the vehicle. Addressing the problem promptly can help ensure the overall performance of your Sierra.
10. How long does it typically take to repair the Cruise Control Function Request Circuit problem?
The repair time can vary depending on the cause of the issue and the complexity of the repairs needed. Simple fixes like replacing a fuse may only take a short time, while diagnosing and repairing wiring issues or component failures could take longer.
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