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B3596 2017 Chevrolet Silverado Code - Hazard Lamps Request Circuit Malfunction

Quick Answer

The B3596 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to a malfunction in the Hazard Lamps Request Circuit. Common causes include Faulty hazard light switch, Wiring issues such as shorts or open circuits, Defective 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
B3596 2017 Chevrolet Silverado indicates Hazard Lamps Request Circuit Malfunction.
Common causes
Common causes include Faulty hazard light switch, Wiring issues such as shorts or open circuits, Defective 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B3596 2017 Chevrolet Silverado Description

The B3596 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to a malfunction in the Hazard Lamps Request Circuit. This code indicates that there is an issue with the circuit responsible for activating the hazard lights on the vehicle. The hazard lights are an essential safety feature that alerts other drivers of an emergency situation or a vehicle breakdown. When this circuit malfunctions, it can compromise the visibility and safety of the vehicle on the road.

OBDII Code B3596 2017 Chevrolet Silverado - Hazard Lamps Request Circuit Malfunction
B3596 2017 Chevrolet Silverado Code - Hazard Lamps Request Circuit Malfunction

Common Causes of B3596 2017 Chevrolet Silverado

  1. Faulty hazard light switch.
  2. Wiring issues such as shorts or open circuits.
  3. Defective body control module (BCM).
  4. Corrosion or poor connections in the circuit.
  5. Water damage or exposure to moisture affecting the circuit.

Symptoms of B3596 2017 Chevrolet Silverado

  1. Hazard lights not turning on when activated.
  2. Hazard lights flashing intermittently or erratically.
  3. Dashboard warning light indicating a fault with the hazard light system.
  4. Other lighting systems controlled by the BCM may also be affected.

How to Fix B3596 2017 Chevrolet Silverado

  1. Begin by conducting a thorough visual inspection of the hazard light circuit, checking for any visible damage, corrosion, or loose connections.
  2. Use a multimeter to test the continuity of the wiring and components in the Hazard Lamps Request Circuit.
  3. Inspect the hazard light switch for proper functionality and replace if necessary.
  4. If the issue persists, diagnose the body control module (BCM) for any faults and replace if deemed faulty.
  5. Clear the DTC from the vehicle's memory using a diagnostic scan tool after completing the repair.

Cost to Fix B3596 2017 Chevrolet Silverado

The cost of repairing a Hazard Lamps Request Circuit malfunction can vary depending on the specific cause of the issue. In general, the parts required for this repair, such as a hazard light switch or a body control module, can range from $50 to $300. Labor costs at an auto repair shop can add an additional $100 to $300 to the total repair bill. Overall, the total cost for addressing this issue may range from $150 to $600.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B3596 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B3596 in a 2017 Chevrolet Silverado?

- Common symptoms include non-functional hazard lamps, erratic flashing of hazard lights, or a constant illumination of the hazard lamp indicator on the dashboard.

2. What could cause the Hazard Lamps Request Circuit Malfunction in a 2017 Chevrolet Silverado?

- Possible causes of this code may include a faulty hazard switch, damaged wiring or connectors in the hazard lamp circuit, or a malfunctioning body control module.

3. How can I diagnose the Hazard Lamps Request Circuit Malfunction in my 2017 Chevrolet Silverado?

- Diagnosis typically involves checking the hazard lamp switch for proper operation, inspecting the wiring for any visible damage or corrosion, and using a diagnostic scanner to retrieve trouble codes from the body control module.

4. Can I still drive my 2017 Chevrolet Silverado with the B3596 code present?

- While the vehicle may still be operational with this code, it is recommended to address the issue promptly to ensure the hazard lamps function correctly in emergency situations.

5. Are there any temporary fixes for the Hazard Lamps Request Circuit Malfunction in a 2017 Chevrolet Silverado?

- Temporary fixes may include checking and resetting the hazard lamp switch, ensuring the hazard lamp fuse is intact, or temporarily disconnecting and reconnecting the battery to reset the system.

6. Is it safe to continue using the hazard lamps if the B3596 code is triggered?

- It is not recommended to use the hazard lamps if the code is present, as their malfunction could pose a safety risk by not signaling properly in emergency situations.

7. How much does it typically cost to repair the Hazard Lamps Request Circuit Malfunction in a 2017 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the hazard switch, repairing damaged wiring, or reprogramming the body control module, with potential costs ranging from $100 to $500 or more.

8. Can I clear the B3596 trouble code in my 2017 Chevrolet Silverado without fixing the issue?

- While you can clear the code using a diagnostic scanner, it is not recommended to do so without addressing the underlying problem, as it may lead to recurring issues or safety concerns with the hazard lamps.

9. Will the B3596 code cause my 2017 Chevrolet Silverado to fail an emissions test?

- The B3596 code is related to the hazard lamps and is unlikely to cause your vehicle to fail an emissions test, but it should still be addressed to ensure the proper functioning of the hazard lamp system.

10. Can a DIY enthusiast attempt to fix the Hazard Lamps Request Circuit Malfunction in a 2017 Chevrolet Silverado?

- DIY enthusiasts with automotive repair experience can attempt to diagnose and fix the issue, especially if it involves simple tasks like checking fuses or replacing the hazard switch. However, complex repairs involving wiring or module programming may require professional assistance.

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