B3873 2016 Chevrolet Silverado Code - Front Washer Relay Circuit
Quick Answer
The windshield washer function is controlled by the Body Control Module (BCM). Common causes include Faulty Front Washer Relay, Front Washer Relay harness is open or shorted, Front Washer Relay 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
- B3873 2016 Chevrolet Silverado indicates Front Washer Relay Circuit.
- Common causes
- Common causes include Faulty Front Washer Relay, Front Washer Relay harness is open or shorted, Front Washer Relay 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 B3873 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3873 2016 Chevrolet Silverado?
- Faulty Front Washer Relay
- Front Washer Relay harness is open or shorted
- Front Washer Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3873 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.
Code Tech Notes
B3873:02 Front Washer Relay Circuit Short to Ground
B3873:04 Front Washer Relay Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3873 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.
Need more information about the B3873 2016 Chevrolet Silverado code?
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Frequently Asked Questions about B3873 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B3873 on a 2016 Chevrolet Silverado related to the Front Washer Relay Circuit?
The common symptoms include the front windshield washer not spraying any fluid when activated, even though the reservoir is filled with washer fluid.
2. What are the possible causes of OBDII code B3873 on a 2016 Chevrolet Silverado?
Possible causes of this code include a faulty front washer relay, damaged wiring or connectors in the washer circuit, or a malfunctioning front washer pump.
3. How can I diagnose the Front Washer Relay Circuit issue causing OBDII code B3873 on my 2016 Chevrolet Silverado?
You can diagnose the problem by checking the front washer relay for proper functioning, inspecting the wiring and connectors for any damage, and testing the front washer pump for operation.
4. Can a DIY enthusiast repair OBDII code B3873 on a 2016 Chevrolet Silverado related to the Front Washer Relay Circuit?
Yes, a DIY enthusiast with basic automotive repair knowledge can attempt to repair this issue by replacing the faulty front washer relay, repairing any damaged wiring or connectors, or replacing the front washer pump if needed.
5. Is it safe to continue driving my 2016 Chevrolet Silverado with OBDII code B3873 related to the Front Washer Relay Circuit?
It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functioning of the front washer system for visibility and safety.
6. How much does it typically cost to repair OBDII code B3873 on a 2016 Chevrolet Silverado caused by the Front Washer Relay Circuit issue?
The cost of repair can vary depending on the exact cause of the problem. Replacing the front washer relay may cost around $50 to $100, while fixing wiring issues or replacing the pump can range from $100 to $300 or more.
7. Are there any preventive maintenance tips to avoid encountering OBDII code B3873 on a 2016 Chevrolet Silverado related to the Front Washer Relay Circuit?
Regularly checking the washer fluid level, ensuring proper operation of the front washer system, and promptly addressing any washer-related issues can help prevent the occurrence of this code.
8. Can extreme weather conditions affect the Front Washer Relay Circuit on a 2016 Chevrolet Silverado and trigger OBDII code B3873?
Yes, extreme weather conditions such as freezing temperatures can potentially impact the front washer system, leading to issues with the relay, wiring, or pump and triggering the OBDII code B3873.
9. Is resetting the OBDII system an effective temporary solution for OBDII code B3873 on a 2016 Chevrolet Silverado related to the Front Washer Relay Circuit?
Resetting the OBDII system may temporarily clear the code, but it will not fix the underlying issue causing the Front Washer Relay Circuit problem. It is recommended to diagnose and repair the root cause of the code.
10. Can a professional mechanic use specialized diagnostic tools to pinpoint the exact cause of OBDII code B3873 on a 2016 Chevrolet Silverado related to the Front Washer Relay Circuit?
Yes, a professional mechanic can use diagnostic tools like a multimeter, scan tool, or circuit tester to accurately diagnose the Front Washer Relay Circuit issue and determine the specific cause of OBDII code B3873.
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