B3703 Buick Code - Intermittent Wiper Delay Input Circuit High
Quick Answer
The intermittent switch in the windshield wiper washer switch is a voltage divider connected across the Body Control Module (BCM) inputs circuits windshield wiper switch signal circuit and windshield wiper switch low reference circuit. Common causes include Faulty Windshield Wiper Washer Switch, Windshield Wiper Washer Switch harness is open or shorted, Windshield Wiper Washer 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
- B3703 Buick indicates Intermittent Wiper Delay Input Circuit High.
- Common causes
- Common causes include Faulty Windshield Wiper Washer Switch, Windshield Wiper Washer Switch harness is open or shorted, Windshield Wiper Washer 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 B3703 Buick Description
What are the Possible Causes of the DTC B3703 Buick?
- Faulty Windshield Wiper Washer Switch
- Windshield Wiper Washer Switch harness is open or shorted
- Windshield Wiper Washer Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3703 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 B3703 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 B3703 Buick Code
1. What does the OBDII code B3703 mean on a Buick?
The B3703 code indicates an issue with the intermittent wiper delay input circuit, specifically that the circuit is reading a high voltage condition.
2. What are the common symptoms of the B3703 code?
Common symptoms include wipers not functioning in intermittent mode, wipers operating at incorrect speeds, or the wipers failing to respond to delay adjustments.
3. What causes the B3703 code to appear?
The code can be triggered by a faulty wiper switch, damaged wiring or connectors in the wiper circuit, or a malfunctioning body control module (BCM).
4. Can I still drive my Buick with the B3703 code active?
Yes, you can still drive the vehicle, but the wiper delay function may not work properly, which could reduce visibility in certain weather conditions and compromise safety.
5. How do I diagnose the B3703 code?
Diagnose the issue by inspecting the wiper switch, checking for damaged or corroded wiring and connectors in the circuit, and testing the BCM for proper functionality.
6. What repairs are typically needed to fix the B3703 code?
Repairs may include replacing the wiper switch, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the BCM if necessary.
7. How much does it cost to fix the B3703 code on a Buick?
Repair costs vary but can range from $50 to $300 depending on whether the issue is with the wiper switch, wiring, or BCM.
8. Can a bad fuse cause the B3703 code?
While a blown fuse can cause wiper issues, the B3703 code specifically points to a high voltage condition in the delay input circuit, which is unlikely caused by a fuse.
9. Will clearing the B3703 code fix the issue?
Clearing the code may temporarily reset the system, but the underlying issue must be addressed to prevent the code from returning.
10. Can I fix the B3703 code myself?
If you have basic automotive electrical skills, you can inspect and repair wiring or replace the wiper switch. However, diagnosing and addressing BCM issues may require professional assistance.
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