B3794:08 2018 Chevrolet Silverado Code - Cruise Control Function Request Circuit
Quick Answer
The B3794:08 diagnostic trouble code (DTC) in a 2018 Chevrolet Silverado relates to the Cruise Control Function Request Circuit. Common causes include Faulty cruise control switch, Damaged wiring or connectors in the cruise control circuit, ECM malfunction. 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 2018 Chevrolet Silverado indicates Cruise Control Function Request Circuit.
- Common causes
- Common causes include Faulty cruise control switch, Damaged wiring or connectors in the cruise control circuit, ECM malfunction.
- 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.
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Code B3794:08 2018 Chevrolet Silverado Description
The B3794:08 diagnostic trouble code (DTC) in a 2018 Chevrolet Silverado relates to the Cruise Control Function Request Circuit. This code indicates a problem with the circuit that controls the cruise control system in the vehicle. The cruise control system allows the driver to set a desired speed for the vehicle to maintain automatically, providing convenience and reducing driver fatigue on long trips.
Common Causes of B3794:08 2018 Chevrolet Silverado
- Faulty cruise control switch
- Damaged wiring or connectors in the cruise control circuit
- ECM malfunction
- Loose connections in the cruise control system
- Corrosion in the cruise control circuit components
Symptoms of B3794:08 2018 Chevrolet Silverado
- Inoperative cruise control system
- Cruise control system engaging intermittently
- Cruise control system not maintaining set speed
- Illumination of the cruise control warning light on the dashboard
How to Fix B3794:08 2018 Chevrolet Silverado
- Begin by conducting a thorough inspection of the cruise control system, including the switch, wiring, connectors, and ECM.
- Test the cruise control switch for proper functionality using a multimeter.
- Check the wiring and connectors for any signs of damage or corrosion, repairing or replacing as necessary.
- If no issues are found with the switch, wiring, or connectors, the ECM may need to be reprogrammed or replaced.
- Clear the DTC from the ECM's memory and test the cruise control system to ensure proper operation.
Cost to Fix B3794:08 2018 Chevrolet Silverado
The cost of repairing the Cruise Control Function Request Circuit issue can vary depending on the specific cause of the problem. In general, the parts required for this repair may range from $50 to $200, while labor costs can add another $100 to $300 to the total bill. Overall, the total repair cost could fall between $150 and $500. However, it is essential to note that these estimates are rough figures, and actual costs may differ based on factors such as location, vehicle make and model, and the rates charged by the auto repair shop. It is advisable to consult with a professional technician to get an accurate cost estimate for this repair.
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Frequently Asked Questions about B3794:08 2018 Chevrolet Silverado Code
1. What does OBDII code B3794:08 mean on a 2018 Chevrolet Silverado?
Code B3794:08 indicates a fault in the Cruise Control Function Request Circuit, with ":08" signifying a signal or circuit issue.
2. What are common symptoms of code B3794:08 in a Chevrolet Silverado?
Symptoms include the cruise control not engaging, intermittent function, or the cruise control light remaining off.
3. What causes the B3794:08 code to appear in the 2018 Silverado?
Common causes include a faulty cruise control switch, damaged wiring, poor connections, or a malfunctioning body control module (BCM).
4. How can I diagnose the B3794:08 code in my Silverado?
Use a diagnostic scan tool to confirm the code, inspect the cruise control switch, check for damaged or corroded wiring, and test circuit continuity.
5. Can I still drive my Silverado with the B3794:08 code?
Yes, the truck is still drivable, but cruise control functionality will likely be impaired.
6. How do I fix the B3794:08 code on a 2018 Chevrolet Silverado?
Repairs may involve replacing the cruise control switch, repairing damaged wiring, or ensuring proper connections in the circuit.
7. Is the B3794:08 code related to other systems in the vehicle?
Yes, it may involve the Body Control Module (BCM), which manages various electronic functions, including cruise control.
8. How much does it cost to repair the B3794:08 code issue?
Repair costs vary but typically range between $100 and $300, depending on whether the issue is wiring-related or requires component replacement.
9. Can a dead battery cause the B3794:08 code to appear?
A dead or weak battery can sometimes cause electronic faults, but it’s not a common cause for this specific code.
10. Will clearing the code B3794:08 fix the problem?
Clearing the code may temporarily reset it, but the underlying issue must be resolved to prevent it from returning.
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