B3794 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3794 2015 Chevrolet Silverado?
- 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 2015 Chevrolet Silverado?
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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Code
1. What does the OBDII code B3794 mean for a 2015 Chevrolet Silverado?
The code B3794 indicates an issue with the Cruise Control Function Request Circuit, which affects the communication or operation of the cruise control system.
2. What are common symptoms of the B3794 code?
Symptoms include the cruise control not engaging, the cruise control system being unresponsive, or a warning light on the dashboard.
3. What causes the B3794 code in a 2015 Chevrolet Silverado?
Common causes include a faulty cruise control switch, damaged wiring or connectors in the circuit, or a malfunctioning body control module (BCM).
4. How is the B3794 code diagnosed?
A technician will use a scan tool to retrieve the code, inspect the cruise control switch, check the wiring and connectors for damage, and test the BCM for proper operation.
5. Can a faulty cruise control switch cause the B3794 code?
Yes, a failing or stuck cruise control switch can trigger this code due to improper circuit communication.
6. Is the B3794 code serious?
While it does not usually affect engine performance, it disables the cruise control system, which can be inconvenient for highway driving.
7. How can the B3794 code be fixed?
Repairs may include replacing the cruise control switch, repairing or replacing damaged wiring, or reprogramming or replacing the BCM if necessary.
8. Can I still drive my Silverado with the B3794 code?
Yes, you can drive the truck, but the cruise control system will not function until the issue is resolved.
9. What tools are needed to fix the B3794 code?
A diagnostic scan tool, a multimeter for testing electrical connections, and basic hand tools for replacing components are typically required.
10. How much does it cost to repair the B3794 code on a 2015 Silverado?
Repair costs vary depending on the cause but may range from $50 for minor wiring repairs to $500 or more if the BCM needs replacement.
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