B3717 Buick Code - Front Wiper Relay Drive Circuit Low
Quick Answer
The Body Control Module (BCM) monitors the control circuit of the wiper relay. Common causes include Faulty Front Wiper Relay, Front Wiper Relay harness is open or shorted, Front 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
- B3717 Buick indicates Front Wiper Relay Drive Circuit Low.
- Common causes
- Common causes include Faulty Front Wiper Relay, Front Wiper Relay harness is open or shorted, Front 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 B3717 Buick Description
What are the Possible Causes of the DTC B3717 Buick?
- Faulty Front Wiper Relay
- Front Wiper Relay harness is open or shorted
- Front Wiper Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3717 Buick?
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 B3717 Buick 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 B3717 Buick Code
1. What does the OBDII code B3717 mean on a Buick?
The B3717 code indicates a problem with the front wiper relay drive circuit, specifically that it is experiencing a low voltage condition.
2. What are the common symptoms of code B3717 on a Buick?
Symptoms include non-functional or intermittently working front wipers, wipers stuck in one position, or wipers that do not respond to control inputs.
3. What causes the B3717 code on a Buick?
This code can be caused by a faulty wiper relay, damaged wiring in the wiper circuit, a defective wiper motor, or a problem with the body control module (BCM).
4. How is the B3717 code diagnosed?
A mechanic will typically use a scan tool to verify the code, inspect the wiper relay and wiring for damage, and test the wiper motor and BCM for proper function.
5. Can I still drive my Buick with the B3717 code?
Yes, you can drive the vehicle, but it is not recommended in rainy or snowy conditions, as non-functional wipers can impair visibility and compromise safety.
6. How do I fix the B3717 code on my Buick?
Repairs may include replacing the front wiper relay, repairing damaged wiring, replacing the wiper motor, or reprogramming or replacing the BCM if necessary.
7. How much does it cost to fix the B3717 code on a Buick?
The cost varies depending on the issue, but replacing a wiper relay typically costs $50–$150, while repairing wiring or replacing a wiper motor could cost $200–$400.
8. Can a blown fuse cause the B3717 code?
Yes, a blown fuse in the wiper circuit can lead to low voltage and trigger the B3717 code. The fuse should be checked and replaced if necessary.
9. Is the B3717 code common on Buick vehicles?
While not extremely common, this code can occur, especially in older models or vehicles that frequently use their wipers in harsh weather conditions.
10. Can I clear the B3717 code without repairs?
You can clear the code with an OBDII scanner, but if the underlying issue isn’t resolved, the code will likely return.
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