B3806 2017 Chevrolet Silverado Code - High Beam and Headlamp Flash Select Circuit Malfunction
Quick Answer
The B3806 diagnostic trouble code (DTC) specifically refers to a High Beam and Headlamp Flash Select Circuit Malfunction in a 2017 Chevrolet Silverado. Common causes include Faulty wiring connections, Damaged headlight control module, Malfunctioning body 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
- B3806 2017 Chevrolet Silverado indicates High Beam and Headlamp Flash Select Circuit Malfunction.
- Common causes
- Common causes include Faulty wiring connections, Damaged headlight control module, Malfunctioning body 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 B3806 2017 Chevrolet Silverado Description
The B3806 diagnostic trouble code (DTC) specifically refers to a High Beam and Headlamp Flash Select Circuit Malfunction in a 2017 Chevrolet Silverado. This code indicates that there is an issue with the circuit responsible for controlling the high beam headlights and the headlamp flash function. In modern vehicles like the Chevrolet Silverado, the control of the headlights is often managed electronically through various sensors, modules, and wiring systems.
Common Causes of B3806 2017 Chevrolet Silverado
- Faulty wiring connections
- Damaged headlight control module
- Malfunctioning body control module
- Broken headlight switch
- Defective high beam relay
Symptoms of B3806 2017 Chevrolet Silverado
- High beam headlights not working properly
- Inability to switch between high and low beams
- Dashboard warning light indicating a headlight malfunction
- Flickering or dim headlights
How to Fix B3806 2017 Chevrolet Silverado
- Begin by performing a visual inspection of the wiring connections and harnesses related to the high beam and headlamp flash circuits.
- Test the headlight control module and body control module for any faults using a diagnostic tool.
- Check the headlight switch for proper functionality and replace if necessary.
- Inspect the high beam relay and replace it if found to be defective.
- Clear the DTC and reset the vehicle's system to ensure the issue has been resolved.
Cost to Fix B3806 2017 Chevrolet Silverado
The typical repair costs for addressing a High Beam and Headlamp Flash Select Circuit Malfunction like the B3806 code can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary significantly depending on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops to get a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about B3806 2017 Chevrolet Silverado Code
1. What does the OBDII code B3806 mean on a 2017 Chevrolet Silverado?
The B3806 code indicates a "High Beam and Headlamp Flash Select Circuit Malfunction," meaning there’s an issue with the circuit controlling the high beams or the headlamp flash function.
2. What are the common symptoms of the B3806 code in a 2017 Chevrolet Silverado?
The symptoms may include non-functioning high beams, inability to use the headlamp flash feature, or a dashboard warning light.
3. What causes the B3806 code to appear in a 2017 Chevrolet Silverado?
Common causes include a faulty multifunction switch, damaged wiring or connectors in the headlamp circuit, or a malfunctioning Body Control Module (BCM).
4. Can a bad high-beam bulb cause the B3806 code on a 2017 Chevrolet Silverado?
While unlikely, a shorted or damaged high-beam bulb could potentially contribute to the circuit malfunction, so it’s worth inspecting the bulbs.
5. How is the B3806 code diagnosed on a 2017 Chevrolet Silverado?
A technician will inspect the multifunction switch, check for damaged wiring or connectors, and use a scan tool to monitor the BCM for proper operation of the high-beam circuit.
6. Can I drive my 2017 Chevrolet Silverado with the B3806 code active?
Yes, but driving without functional high beams or the headlamp flash feature may reduce visibility and safety in certain conditions.
7. What repairs can fix the B3806 code in a 2017 Chevrolet Silverado?
Repairs may include replacing the multifunction switch, repairing or replacing damaged wiring, or reprogramming or replacing the BCM if necessary.
8. How much does it cost to fix the B3806 code on a 2017 Chevrolet Silverado?
Repair costs can range from $100 for a simple wiring repair to $500 or more if the BCM or multifunction switch needs replacing.
9. Can I reset the B3806 code without fixing the issue?
Clearing the code without addressing the underlying problem will likely cause the code to return, as the malfunction persists.
10. Is the B3806 code specific to the 2017 Chevrolet Silverado?
No, the B3806 code is not specific to the Silverado, but the exact causes and repairs may vary depending on the vehicle make and model.
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