B3650 2016 Chevrolet Silverado Code - High Beam Request Signal Circuit Performance Signal Invalid
Quick Answer
The B3650 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to the High Beam Request Signal Circuit Performance Signal Invalid. Common causes include Faulty headlight switch, Wiring issues in the high beam request signal circuit, Faulty body control module (BCM). 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 headlight switch, Wiring issues in the high beam request signal circuit, Faulty body control module (BCM).
- 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 B3650 2016 Chevrolet Silverado Description
The B3650 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to the High Beam Request Signal Circuit Performance Signal Invalid. This code indicates that there is a problem with the high beam request signal circuit, which is responsible for activating the high beam headlights in the vehicle. The high beam request signal is sent from the headlight switch to the body control module (BCM), which then controls the high beam relay to turn on the high beams.
Common Causes of B3650 2016 Chevrolet Silverado
- Faulty headlight switch.
- Wiring issues in the high beam request signal circuit.
- Faulty body control module (BCM).
- High beam relay malfunction.
- Poor electrical connection in the circuit.
Symptoms of B3650 2016 Chevrolet Silverado
- High beams not turning on at all.
- High beams turning on intermittently.
- High beams staying on when not requested.
- Dashboard warning light indicating a high beam issue.
- Dim or flickering high beams.
How to Fix B3650 2016 Chevrolet Silverado
- Begin by inspecting the headlight switch and ensuring it is functioning correctly. Replace if necessary.
- Check the wiring in the high beam request signal circuit for any damage or corrosion. Repair or replace as needed.
- Test the body control module (BCM) to see if it is receiving the high beam request signal. Replace if faulty.
- Inspect the high beam relay for any signs of malfunction. Replace if necessary.
- Verify all electrical connections in the circuit are secure and free of corrosion.
Cost to Fix B3650 2016 Chevrolet Silverado
The typical repair costs for addressing the B3650 code on a 2016 Chevrolet Silverado can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to get a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.
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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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