B3806 2016 Chevrolet Silverado Code - High Beam and Headlamp Flash Select Circuit Malfunction
Quick Answer
When the turn signal/multifunction switch is momentarily placed in the flash-to-pass position, ground is applied to the Body Control Module (BCM) through the flash-to-pass signal circuit. Common causes include Faulty Turn Signal/Multifunction Switch, Turn Signal/Multifunction Switch harness is open or shorted, Turn Signal/Multifunction 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
- B3806 2016 Chevrolet Silverado indicates High Beam and Headlamp Flash Select Circuit Malfunction.
- Common causes
- Common causes include Faulty Turn Signal/Multifunction Switch, Turn Signal/Multifunction Switch harness is open or shorted, Turn Signal/Multifunction 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 B3806 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3806 2016 Chevrolet Silverado?
- Faulty Turn Signal/Multifunction Switch
- Turn Signal/Multifunction Switch harness is open or shorted
- Turn Signal/Multifunction Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3806 2016 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 B3806 2016 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 B3806 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B3806 in a 2016 Chevrolet Silverado?
- Common symptoms include issues with the high beam headlights not functioning properly, the high beam indicator not working, and the inability to switch between high beam and low beam settings.
2. What causes the OBDII code B3806 to trigger in a 2016 Chevrolet Silverado?
- The code B3806 is typically triggered by a malfunction in the high beam and headlamp flash select circuit, which can be caused by wiring issues, a faulty headlight switch, or a problem with the control module.
3. How can I diagnose the high beam and headlamp flash select circuit malfunction in my 2016 Chevrolet Silverado?
- Diagnosing the issue involves checking the wiring for any damage or loose connections, testing the headlight switch for proper functionality, and using a diagnostic scanner to read the trouble codes stored in the vehicle's system.
4. Can I still drive my 2016 Chevrolet Silverado with the OBDII code B3806?
- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functioning of the high beam headlights and headlamp flash select circuit.
5. How can I repair the high beam and headlamp flash select circuit malfunction in my 2016 Chevrolet Silverado?
- Repairing the issue may involve repairing or replacing damaged wiring, replacing the headlight switch if faulty, or addressing any issues with the control module. It is recommended to consult a professional mechanic for accurate diagnosis and repair.
6. Will resetting the OBDII code B3806 in my 2016 Chevrolet Silverado make the issue go away?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the high beam and headlamp flash select circuit malfunction. It is important to address the root cause of the problem.
7. How much does it typically cost to repair the OBDII code B3806 in a 2016 Chevrolet Silverado?
- The cost of repair can vary depending on the specific cause of the issue and the labor rates of the repair shop. Costs may range from a simple wiring repair to more extensive repairs involving the replacement of components.
8. Can extreme weather conditions affect the high beam and headlamp flash select circuit in a 2016 Chevrolet Silverado?
- Yes, extreme weather conditions such as excessive heat or moisture can potentially damage the wiring or components related to the high beam and headlamp flash select circuit, leading to malfunctions and triggering the OBDII code B3806.
9. Is the OBDII code B3806 a common issue in 2016 Chevrolet Silverado vehicles?
- While not extremely common, the OBDII code B3806 related to the high beam and headlamp flash select circuit malfunction can occur in 2016 Chevrolet Silverado vehicles due to various factors such as wiring issues or component failures.
10. Can I prevent the OBDII code B3806 from occurring in my 2016 Chevrolet Silverado?
- Regular maintenance, such as checking and ensuring the integrity of the wiring, promptly addressing any headlight issues, and keeping the vehicle's electrical system in good condition, can help prevent the occurrence of the high beam and headlamp flash select circuit malfunction and the associated OBDII code B3806.
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