B231B Code - Rear Wiper Motor Control Circuit Low
Quick Answer
The B231B diagnostic trouble code indicates that there is a problem with the rear wiper motor control circuit in the vehicle. Common causes include Faulty rear wiper motor, Corrosion or damage to wiring in the control circuit, Loose or poor electrical connections. 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
- B231B indicates Rear Wiper Motor Control Circuit Low.
- Common causes
- Common causes include Faulty rear wiper motor, Corrosion or damage to wiring in the control circuit, Loose or poor electrical connections.
- 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.
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Code B231B Description
The B231B diagnostic trouble code indicates that there is a problem with the rear wiper motor control circuit in the vehicle. This means that the control module is detecting a lower than expected voltage or resistance in the circuit that controls the rear wiper motor. This issue can lead to the rear wiper not functioning properly or at all, which can hinder visibility and safety while driving in inclement weather conditions.
Common Causes of B231B
- Faulty rear wiper motor
- Corrosion or damage to wiring in the control circuit
- Loose or poor electrical connections
- Defective rear wiper switch
- Issues with the control module
Symptoms of B231B
- Rear wiper not working at all
- Rear wiper working intermittently
- Rear wiper moving slower than usual
- Rear wiper making unusual noises
- Rear wiper getting stuck in one position
How to Fix B231B
- Begin by inspecting the rear wiper motor and wiring for any visible damage or corrosion.
- Test the rear wiper motor to determine if it is functioning properly.
- Check the electrical connections in the control circuit and ensure they are secure.
- Replace the rear wiper motor if it is found to be faulty.
- If the issue persists, further diagnostics may be needed to identify the exact cause of the problem.
Cost to Fix B231B
The cost of repairing a rear wiper motor control circuit issue can vary depending on the severity of the problem and the specific components that need to be replaced. On average, the repair costs for this type of issue can range from $100 to $300, including parts and labor. However, it is important to keep in mind that labor rates and parts prices can vary greatly depending on the location and the specific vehicle make and model. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate for the repair.
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Code B231B Information for Specific Makes
- B231B Chrysler — Rear Wiper Motor Control Circuit Low
- B231B Dodge — Rear Wiper Motor Control Circuit Low
- B231B Jeep — Rear Wiper Motor Control Circuit Low
- B231B RAM — Rear Wiper Motor Control Circuit Low
Frequently Asked Questions about B231B Code
1. What does the OBDII code B231B mean?
The code B231B indicates a "Rear Wiper Motor Control Circuit Low," meaning the vehicle's control module has detected a low voltage or short in the rear wiper motor circuit.
2. What are common symptoms of the B231B code?
Symptoms typically include the rear wiper not functioning, moving slower than normal, or stopping mid-swipe.
3. What causes the B231B code to appear?
Common causes include a faulty rear wiper motor, a damaged or corroded wiring harness, a blown fuse, or a defective control module.
4. Can I still drive with the B231B code?
Yes, you can drive with this code, but the rear wiper may not work, reducing visibility in bad weather and compromising safety.
5. How do you diagnose the B231B code?
Diagnosis involves inspecting the rear wiper motor, checking for damaged wiring or loose connections, testing the fuse, and using a multimeter to measure circuit voltage.
6. How do you fix the B231B code?
Repairs may include replacing the rear wiper motor, repairing or replacing damaged wiring, tightening connections, or replacing a blown fuse.
7. How much does it cost to fix the B231B code?
Repair costs vary but could range from $100 to $300, depending on whether you need a new wiper motor or just wiring repairs.
8. Can a bad relay cause the B231B code?
Yes, a malfunctioning rear wiper relay can cause low voltage in the circuit, leading to the B231B code.
9. Will clearing the code fix the problem?
Clearing the code may temporarily reset the warning, but the underlying issue must be addressed to prevent the code from returning.
10. How can I prevent the B231B code from occurring?
Regularly inspect the rear wiper system for wear, clean connections to prevent corrosion, and ensure proper maintenance of the wiper motor and electrical components.
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