B3875 2016 GMC Sierra Code - Windshield Wiper High Speed Relay Circuit
Quick Answer
The B3875 diagnostic trouble code (DTC) for a 2016 GMC Sierra pertains to the Windshield Wiper High-Speed Relay Circuit. Common causes include Faulty high-speed relay, Wiring issues or shorts in the circuit, Corrosion or loose connections in the relay circuit. 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
- B3875 2016 GMC Sierra indicates Windshield Wiper High Speed Relay Circuit.
- Common causes
- Common causes include Faulty high-speed relay, Wiring issues or shorts in the circuit, Corrosion or loose connections in the relay circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B3875 2016 GMC Sierra Description
The B3875 diagnostic trouble code (DTC) for a 2016 GMC Sierra pertains to the Windshield Wiper High-Speed Relay Circuit. This code indicates a problem with the high-speed relay circuit that controls the windshield wiper operation in the vehicle. The windshield wiper high-speed relay is responsible for providing power to the wiper motor to operate the wipers at high speed. When this relay circuit malfunctions, it can lead to issues with the windshield wiper system, affecting visibility during inclement weather conditions.
Common Causes of B3875 2016 GMC Sierra
- Faulty high-speed relay.
- Wiring issues or shorts in the circuit.
- Corrosion or loose connections in the relay circuit.
- Faulty wiper motor.
- Water intrusion or damage to the wiper system components.
Symptoms of B3875 2016 GMC Sierra
- Windshield wipers not operating at high speed.
- Wipers not working at all.
- Erratic or inconsistent wiper operation.
- Wipers operating slowly or sluggishly.
- Wipers stopping midway through the windshield.
How to Fix B3875 2016 GMC Sierra
- Diagnose the issue by checking the high-speed relay, wiring, and wiper motor for faults.
- Replace the faulty high-speed relay if necessary.
- Inspect and repair any damaged or corroded wiring in the circuit.
- Test the wiper motor for proper operation and replace if defective.
- Clear any water intrusion and ensure all connections are secure.
Cost to Fix B3875 2016 GMC Sierra
The cost of repairing the Windshield Wiper High-Speed Relay Circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. Generally, replacing a faulty relay can cost between $50 and $150, while repairing wiring issues or replacing a wiper motor can range from $100 to $300 or more. Overall, including parts and labor, the total repair cost may fall within the range of $150 to $500. However, it is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model, as well as the extent of the repairs needed.
Need more information about the B3875 2016 GMC Sierra code?
Need more information on how to fix the B3875 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3875 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B3875 2016 GMC Sierra Code
1. What does the OBDII code B3875 mean on a 2016 GMC Sierra?
The B3875 code indicates an issue with the Windshield Wiper High Speed Relay Circuit, which controls the high-speed operation of the windshield wipers.
2. What are the common symptoms of the B3875 code in a GMC Sierra?
Symptoms may include the wipers not working at high speed, wipers stuck in one position, or intermittent wiper operation.
3. What causes the B3875 code to appear?
Common causes include a faulty high-speed wiper relay, damaged wiring, corroded connectors, or a malfunctioning windshield wiper motor.
4. Can I still drive my 2016 GMC Sierra with the B3875 code?
Yes, but your windshield wipers may not function properly at high speed, which could reduce visibility during heavy rain and compromise safety.
5. How do I diagnose the B3875 code on my GMC Sierra?
Diagnosis involves checking the high-speed wiper relay, inspecting the wiring and connectors for damage or corrosion, and testing the windshield wiper motor for proper operation.
6. How do I fix the B3875 code on a 2016 GMC Sierra?
Repairs may include replacing the high-speed wiper relay, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing the windshield wiper motor.
7. Where is the high-speed wiper relay located in the 2016 GMC Sierra?
The high-speed wiper relay is typically located in the under-hood fuse box, but refer to the owner’s manual for the exact location.
8. How much does it cost to repair the B3875 code on a GMC Sierra?
Repair costs vary but may range from $100 to $300, depending on whether the issue is with the relay, wiring, or wiper motor.
9. Can a faulty windshield wiper motor trigger the B3875 code?
Yes, a malfunctioning windshield wiper motor can prevent high-speed operation and trigger the B3875 code.
10. Can I reset the B3875 code without fixing the issue?
You can clear the code with an OBDII scanner, but the issue will likely return if the underlying problem isn’t resolved.
Discuss the causes and fixes for B3875 2016 GMC Sierra OBDII Code
Code B3875 2016 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.