AutoCodes – Chevrolet – B3596 2015 Chevrolet Silverado

B3596 2015 Chevrolet Silverado Code - Hazard Lamps Request Circuit Malfunction

Quick Answer

The hazard flashers may be activated in any power mode. 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
B3596 2015 Chevrolet Silverado indicates Hazard Lamps Request 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 145
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 13, 2023
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Code B3596 2015 Chevrolet Silverado Description

The hazard flashers may be activated in any power mode. The hazard warning switch signal circuit is momentarily grounded when the hazard warning switch is pressed. The Body Control Module (BCM) responds to the hazard warning switch signal input by supplying battery voltage to all four turn signal lamps in an ON and OFF duty cycle. When the hazard warning switch is activated, the BCM sends a serial data message to the instrument cluster requesting both turn signal indicators to be cycled ON and OFF. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground in the hazard warning switch signal circuit.
OBDII Code B3596 2015 Chevrolet Silverado - Hazard Lamps Request Circuit Malfunction - AutoCodes.com
B3596 2015 Chevrolet Silverado Code - Hazard Lamps Request Circuit Malfunction

What are the Possible Causes of the DTC B3596 2015 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 B3596 2015 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 B3596 2015 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.

Need more information about the B3596 2015 Chevrolet Silverado code?

Need more information on how to fix the B3596 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3596 2015 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B3596 in a 2015 Chevrolet Silverado?

The common symptoms of OBDII code B3596 in a 2015 Chevrolet Silverado include non-functioning hazard lamps and an illuminated check engine light.

2. What does the OBDII code B3596 indicate in a 2015 Chevrolet Silverado?

OBDII code B3596 in a 2015 Chevrolet Silverado indicates a Hazard Lamps Request Circuit Malfunction.

3. What are the possible causes of the Hazard Lamps Request Circuit Malfunction in a 2015 Chevrolet Silverado?

Possible causes of the Hazard Lamps Request Circuit Malfunction in a 2015 Chevrolet Silverado include a faulty hazard lamp switch, wiring issues, or a malfunctioning control module.

4. How can I diagnose the Hazard Lamps Request Circuit Malfunction in my 2015 Chevrolet Silverado?

Diagnosing the Hazard Lamps Request Circuit Malfunction in a 2015 Chevrolet Silverado involves checking the hazard lamp switch, inspecting the wiring for any damage, and using an OBDII scanner to retrieve the specific fault code.

5. Can I still drive my 2015 Chevrolet Silverado with OBDII code B3596?

It is generally safe to drive your 2015 Chevrolet Silverado with OBDII code B3596, but it is recommended to address the issue promptly to ensure the proper functioning of the hazard lamps.

6. How can I repair OBDII code B3596 in my 2015 Chevrolet Silverado?

To repair OBDII code B3596 in a 2015 Chevrolet Silverado, you may need to replace the faulty hazard lamp switch, repair any damaged wiring, or reprogram the control module if necessary.

7. Will resetting the OBDII code B3596 in my 2015 Chevrolet Silverado make it go away permanently?

Resetting the OBDII code B3596 in a 2015 Chevrolet Silverado may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to reappear.

8. Are there any safety concerns associated with OBDII code B3596 in a 2015 Chevrolet Silverado?

Since OBDII code B3596 relates to the hazard lamps, it is important to address the issue promptly to ensure proper visibility and safety on the road, especially in hazardous conditions.

9. Can a DIY enthusiast fix OBDII code B3596 in a 2015 Chevrolet Silverado?

Depending on your level of automotive expertise, a DIY enthusiast may be able to diagnose and repair OBDII code B3596 in a 2015 Chevrolet Silverado by following repair guides and using the necessary tools.

10. How much can I expect to pay for repairing OBDII code B3596 in my 2015 Chevrolet Silverado at a mechanic?

The cost of repairing OBDII code B3596 in a 2015 Chevrolet Silverado at a mechanic can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

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