B3650 2016 Chevrolet Silverado Code - High Beam Request Signal Circuit Performance Signal Invalid
Quick Answer
When the low beam headlamps are on and the turn signal/multifunction switch is placed in the high beam position, ground is applied to the Body Control Module (BCM) through the high beam 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
- B3650 2016 Chevrolet Silverado indicates High Beam Request Signal Circuit Performance Signal Invalid.
- 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 B3650 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3650 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 B3650 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 B3650 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 B3650 2016 Chevrolet Silverado Code
1. What does the OBDII code B3650 mean on a 2016 Chevrolet Silverado?
B3650 indicates a problem with the high beam request signal circuit, specifically that the signal is invalid or outside the expected range.
2. What are common symptoms of code B3650 in a 2016 Chevrolet Silverado?
Symptoms may include malfunctioning high beams, high beams not responding to the switch, or a warning light on the dashboard.
3. What causes the B3650 code to appear on a 2016 Chevrolet Silverado?
Common causes include a faulty high beam switch, damaged wiring in the signal circuit, or a malfunctioning body control module (BCM).
4. How can I diagnose the B3650 code on my Silverado?
Start by inspecting the high beam switch and its wiring for damage or loose connections, then check for voltage at the circuit using a multimeter.
5. Can a faulty high beam bulb cause the B3650 code?
No, a faulty bulb won't cause this code, as it specifically relates to the high beam request signal circuit performance.
6. How do I fix the B3650 code on a 2016 Chevrolet Silverado?
Repairs may include replacing the high beam switch, repairing damaged wiring, or reprogramming or replacing the BCM if necessary.
7. Is the B3650 code serious?
While it doesn't directly affect engine performance, it may compromise nighttime visibility, making it important to address promptly for safety.
8. Can clearing the B3650 code solve the issue?
Clearing the code might temporarily remove the warning, but if the underlying issue isn't fixed, the code will likely return.
9. How much does it cost to repair the B3650 code on a Chevrolet Silverado?
Repair costs vary depending on the issue, ranging from $50 for minor wiring fixes to $300 or more for BCM replacement or reprogramming.
10. Can I drive my Silverado with the B3650 code active?
You can drive the vehicle, but without functioning high beams, nighttime driving may be unsafe, so repair should be prioritized.
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