B3715 2017 GMC Sierra Code - Windshield Wiper Relay Drive Circuit
Quick Answer
The windshield wiper motor is controlled by the Body Control Module (BCM) through the windshield wiper replay and the windshield wiper speed control relay. Common causes include Faulty Windshield Wiper Relay, Windshield Wiper Relay harness is open or shorted, Windshield Wiper 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
- B3715 2017 GMC Sierra indicates Windshield Wiper Relay Drive Circuit.
- Common causes
- Common causes include Faulty Windshield Wiper Relay, Windshield Wiper Relay harness is open or shorted, Windshield Wiper 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 B3715 2017 GMC Sierra Description
What are the Possible Causes of the DTC B3715 2017 GMC Sierra?
- Faulty Windshield Wiper Relay
- Windshield Wiper Relay harness is open or shorted
- Windshield Wiper Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3715 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 B3715 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 B3715 2017 GMC Sierra Code
1. What does the OBDII code B3715 mean on a 2017 GMC Sierra?
It indicates an issue with the windshield wiper relay drive circuit, which controls the operation of the wiper motor.
2. What are common symptoms of the B3715 code?
Symptoms include non-functioning windshield wipers, wipers stuck in one position, or intermittent wiper operation.
3. What causes the B3715 code to appear?
Potential causes include a faulty wiper relay, damaged wiring or connectors in the wiper circuit, or a malfunctioning body control module (BCM).
4. How is the B3715 code diagnosed?
A technician will inspect the wiper relay, test the circuit for continuity, and check for damaged wiring or connectors before testing the BCM.
5. Can a blown fuse cause the B3715 code?
Yes, a blown fuse in the wiper circuit can disrupt power flow and trigger this code.
6. Is it safe to drive with the B3715 code active?
It is unsafe, especially in poor weather, as the windshield wipers may not function properly.
7. How do you fix the B3715 code on a 2017 GMC Sierra?
Repairs may include replacing the wiper relay, repairing damaged wiring, or reprogramming or replacing the BCM if necessary.
8. How much does it cost to fix the B3715 code?
Costs vary depending on the issue, but wiper relay replacement typically costs $50–$150, while BCM repairs or replacements can range from $300–$800.
9. Can a DIYer fix the B3715 code?
A skilled DIYer can replace the relay or repair wiring, but BCM issues often require professional tools and expertise.
10. Will clearing the code with a scanner fix the problem?
Clearing the code may temporarily reset it, but the underlying issue must be resolved to prevent it from returning.
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