B3794:08 2017 Chevrolet Silverado Code - Cruise Control Function Request Circuit
Quick Answer
The B3794:08 diagnostic trouble code (DTC) on a 2017 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, Malfunctioning cruise control module. 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 2017 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, Malfunctioning cruise control module.
- 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 2017 Chevrolet Silverado Description
The B3794:08 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado relates to the Cruise Control Function Request Circuit. This code indicates that there is a malfunction in the circuit responsible for the cruise control system's operation. The cruise control system allows the driver to set a desired speed, which the vehicle will maintain automatically, enhancing comfort and reducing driver fatigue on long journeys.
Common Causes of B3794:08 2017 Chevrolet Silverado
- Faulty cruise control switch.
- Damaged wiring or connectors in the cruise control circuit.
- Malfunctioning cruise control module.
- Issues with the cruise control actuator or servo.
- Electronic control unit (ECU) software glitches affecting cruise control function.
Symptoms of B3794:08 2017 Chevrolet Silverado
- Inability to engage or maintain cruise control.
- Cruise control setting not holding or engaging intermittently.
- Cruise control system not responding to button inputs.
- Illumination of the cruise control warning light on the dashboard.
- Possible loss of vehicle speed control while cruise control is active.
How to Fix B3794:08 2017 Chevrolet Silverado
- Diagnose the specific cause of the B3794:08 code using a diagnostic scanner.
- Inspect the cruise control switch, wiring harness, and connectors for any visible damage or loose connections.
- Test the cruise control module and actuator for proper functionality.
- Clear the DTC and reset the cruise control system.
- Replace any faulty components identified during the diagnostic process.
Cost to Fix B3794:08 2017 Chevrolet Silverado
The typical repair costs for addressing the B3794:08 code can vary depending on the specific cause of the issue and the parts needed for replacement. In general, the cost of parts for cruise control system repairs can range from $100 to $500, while labor costs can add an additional $100 to $300. Overall, the total repair cost for this issue could range from $200 to $800, including parts and labor. It's essential to consider that labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. It's advisable to consult with a trusted mechanic or dealership to get a more accurate estimate based on your location and vehicle specifics.
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Frequently Asked Questions about B3794:08 2017 Chevrolet Silverado Code
1. What does the OBDII code B3794:08 mean on a 2017 Chevrolet Silverado?
The code B3794:08 indicates an issue with the Cruise Control Function Request Circuit, specifically that the signal is stuck low.
2. What are common symptoms of the B3794:08 code?
Typical symptoms include the cruise control not engaging or functioning properly and possibly an illuminated check engine light.
3. What causes the B3794:08 code on a 2017 Chevrolet Silverado?
The code can be caused by a faulty cruise control switch, damaged wiring or connectors in the cruise control circuit, or issues with the body control module (BCM).
4. How can I diagnose the B3794:08 code?
Start by inspecting the cruise control switch and its wiring for damage or loose connections, and use a scan tool to verify signal inputs to the BCM.
5. Can a faulty cruise control switch trigger the B3794:08 code?
Yes, a malfunctioning cruise control switch can cause the circuit to send incorrect signals, leading to this code.
6. What tools are needed to troubleshoot the B3794:08 code?
You’ll need a multimeter to check wiring continuity and a scan tool capable of reading live data from the BCM.
7. Can the B3794:08 code affect other vehicle functions?
While it primarily impacts cruise control, issues with the BCM or wiring could indirectly affect other systems if shared circuits are involved.
8. Is it safe to drive with the B3794:08 code active?
Yes, the vehicle is safe to drive, but cruise control functionality will likely be impaired.
9. How is the B3794:08 code repaired?
Repairs may involve replacing the cruise control switch, repairing or replacing damaged wiring/connectors, or updating/replacing the BCM.
10. Will clearing the B3794:08 code fix the problem?
Clearing the code without addressing the underlying issue will only temporarily remove the code; the problem must be diagnosed and repaired to prevent recurrence.
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