B3596 2017 GMC Sierra 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 2017 GMC Sierra 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.
Code B3596 2017 GMC Sierra Description
What are the Possible Causes of the DTC B3596 2017 GMC Sierra?
- 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 2017 GMC Sierra?
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 2017 GMC Sierra 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 B3596 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code B3596 in a 2017 GMC Sierra?
The common symptoms include non-functional hazard lamps, flashing hazard lights without activation, or a warning light on the dashboard indicating a malfunction.
2. What could cause the Hazard Lamps Request Circuit Malfunction in a 2017 GMC Sierra?
Possible causes of this code include a faulty hazard lamp switch, damaged wiring or connectors in the circuit, or a malfunctioning Body Control Module (BCM).
3. How can I diagnose the Hazard Lamps Request Circuit Malfunction in my GMC Sierra?
To diagnose this issue, you can use an OBDII scanner to retrieve the specific fault code, visually inspect the hazard lamp switch and associated wiring, and perform continuity tests to check for any open or short circuits.
4. Can I still drive my GMC Sierra with the Hazard Lamps Request Circuit Malfunction code?
While it may be safe to drive the vehicle with this code, it is recommended to address the issue promptly to ensure proper functionality of the hazard lamps, which are crucial for emergency situations.
5. Is it possible to reset the B3596 OBDII code in a 2017 GMC Sierra without fixing the underlying issue?
Resetting the code without addressing the root cause will only temporarily clear the warning light, as the issue will likely reoccur once the system detects the fault again.
6. What are some repair tips for fixing the Hazard Lamps Request Circuit Malfunction in a 2017 GMC Sierra?
Repair tips include checking and repairing any damaged wiring, replacing the hazard lamp switch if faulty, and, if necessary, having the BCM reprogrammed or replaced by a qualified technician.
7. Can extreme weather conditions affect the Hazard Lamps Request Circuit in a GMC Sierra?
Extreme weather conditions can potentially cause electrical issues in the circuit, such as corrosion or short circuits, leading to the malfunction. It is advisable to keep the vehicle protected and maintained to prevent weather-related damage.
8. Will fixing the Hazard Lamps Request Circuit Malfunction require specialized tools or equipment?
While basic tools like a multimeter and wiring diagram may be sufficient for diagnosis and some repairs, certain tasks like BCM reprogramming or replacement may require specialized equipment available at a dealership or auto repair shop.
9. How much can I expect to pay for repairing the Hazard Lamps Request Circuit Malfunction in a 2017 GMC Sierra?
The cost of repair can vary depending on the specific cause of the issue, the parts needed for replacement, and labor charges. It is recommended to obtain quotes from multiple mechanics or dealerships for an accurate estimate.
10. Can regular maintenance help prevent the Hazard Lamps Request Circuit Malfunction in my GMC Sierra?
Regular maintenance, such as checking and cleaning electrical connections, inspecting wiring for damage, and promptly addressing any warning lights on the dashboard, can help prevent issues like the Hazard Lamps Request Circuit Malfunction from occurring.
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