B3722 Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC B3722 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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 Chevrolet Code
1. What are the common symptoms of OBDII code B3722 in a Chevrolet related to the Rear Wiper Relay Drive Circuit Low?
The common symptoms include the rear wiper not functioning properly or not turning on at all.
2. What are the potential causes triggering the OBDII code B3722 in a Chevrolet for the Rear Wiper Relay Drive Circuit Low?
Possible causes can include a faulty rear wiper relay, damaged wiring or connectors in the circuit, or a malfunctioning rear wiper motor.
3. How can I diagnose the OBDII code B3722 in my Chevrolet for the Rear Wiper Relay Drive Circuit Low?
You can diagnose this issue by inspecting the rear wiper relay, checking the wiring for any signs of damage, and testing the rear wiper motor for proper functionality.
4. Is it safe to drive my Chevrolet with the OBDII code B3722 indicating a Rear Wiper Relay Drive Circuit Low issue?
It is generally safe to drive, but it is advisable to address the issue promptly to ensure the rear wiper functions correctly, especially during adverse weather conditions.
5. Can I reset the OBDII code B3722 related to the Rear Wiper Relay Drive Circuit Low in my Chevrolet?
Resetting the code may temporarily clear the warning light, but it is crucial to diagnose and fix the underlying issue to prevent the code from reoccurring.
6. How much does it typically cost to repair the OBDII code B3722 for the Rear Wiper Relay Drive Circuit Low in a Chevrolet?
The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the rear wiper relay, repairing damaged wiring, or fixing the rear wiper motor.
7. Are there any DIY tips for resolving the OBDII code B3722 in a Chevrolet related to the Rear Wiper Relay Drive Circuit Low?
If you have experience with automotive repairs, you can try checking and cleaning the wiring connections, testing the relay, and inspecting the rear wiper motor before seeking professional help.
8. How urgent is it to address the OBDII code B3722 indicating a Rear Wiper Relay Drive Circuit Low problem in my Chevrolet?
While it may not be an emergency, addressing the issue promptly is recommended to ensure the proper functioning of the rear wiper, especially if you frequently drive in rainy or snowy conditions.
9. Can extreme weather conditions affect the triggering of the OBDII code B3722 related to the Rear Wiper Relay Drive Circuit Low in a Chevrolet?
Extreme weather conditions such as heavy rain, snow, or extreme cold can potentially exacerbate the issue, leading to further malfunction of the rear wiper system.
10. Is the OBDII code B3722 specific to certain Chevrolet models, or can it occur in various vehicles?
While the code is specific to Chevrolet vehicles, similar issues with the rear wiper relay drive circuit low can occur in other car makes and models, albeit with different diagnostic codes.
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