B3722 Pontiac Code - Rear Wiper Relay Drive Circuit Low
Quick Answer
When operation of the rear wiper is selected, battery voltage from the rear wiper switch is applied to the rear wiper switch signal input of the Body Control Module (BCM) circuit. Common causes include Faulty Rear Wiper Relay, Rear Wiper Relay harness is open or shorted, Rear 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
- B3722 Pontiac indicates Rear Wiper Relay Drive Circuit Low.
- Common causes
- Common causes include Faulty Rear Wiper Relay, Rear Wiper Relay harness is open or shorted, Rear 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 B3722 Pontiac Description
What are the Possible Causes of the DTC B3722 Pontiac?
- Faulty Rear Wiper Relay
- Rear Wiper Relay harness is open or shorted
- Rear Wiper Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3722 Pontiac?
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 B3722 Pontiac 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 B3722 Pontiac Code
1. What are the common symptoms of OBDII code B3722 on a Pontiac related to the Rear Wiper Relay Drive Circuit Low?
- Common symptoms include the rear wiper not working or operating intermittently, unusual wiper motor noises, or the wiper getting stuck in one position.
2. What are the possible causes of OBDII code B3722 on a Pontiac indicating a Rear Wiper Relay Drive Circuit Low?
- The code can be triggered by a faulty rear wiper relay, damaged wiring or connectors in the circuit, a malfunctioning wiper motor, or a blown fuse related to the rear wiper system.
3. How can I diagnose the OBDII code B3722 on a Pontiac for the Rear Wiper Relay Drive Circuit Low?
- To diagnose the issue, you can use a scan tool to read the code, visually inspect the wiring and connectors for any damage, test the rear wiper relay, and check the fuse related to the rear wiper system.
4. Is it safe to continue driving my Pontiac with OBDII code B3722 indicating a Rear Wiper Relay Drive Circuit Low?
- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the rear wiper functions correctly, especially in adverse weather conditions.
5. Can I repair OBDII code B3722 on a Pontiac related to the Rear Wiper Relay Drive Circuit Low myself?
- If you have experience with automotive electrical systems, you may be able to troubleshoot and repair the issue yourself by checking the relay, wiring, connectors, and fuse. However, if you are unsure, it's best to consult a professional mechanic.
6. How much does it typically cost to repair OBDII code B3722 on a Pontiac for the Rear Wiper Relay Drive Circuit Low?
- The cost of repair can vary depending on the root cause of the issue and whether you do it yourself or take it to a mechanic. It may involve replacing the relay, fixing wiring, or addressing other related components.
7. Are there any preventive maintenance tips to avoid OBDII code B3722 on a Pontiac related to the Rear Wiper Relay Drive Circuit Low?
- To prevent this code from occurring, you can periodically inspect the rear wiper system for any signs of wear or damage, ensure all connections are secure, and promptly address any issues with the wiper operation.
8. Will resetting the OBDII system clear the B3722 code on a Pontiac indicating a Rear Wiper Relay Drive Circuit Low?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the Rear Wiper Relay Drive Circuit Low is not fixed, the code is likely to reappear after some driving cycles.
9. Can extreme weather conditions contribute to triggering OBDII code B3722 on a Pontiac for the Rear Wiper Relay Drive Circuit Low?
- Yes, extreme weather conditions like heavy rain, snow, or exposure to intense sunlight can potentially impact the rear wiper system components, leading to issues that trigger this code.
10. How urgent is it to address OBDII code B3722 on a Pontiac indicating a Rear Wiper Relay Drive Circuit Low?
- While it may not require immediate attention for basic vehicle operation, addressing the code promptly is recommended to ensure the rear wiper functions correctly and to prevent potential safety hazards or further damage to the system.
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