B231C Code - Rear Wiper Motor Control Circuit High
Quick Answer
The B231C diagnostic trouble code (DTC) indicates a problem with the rear wiper motor control circuit being too high. Common causes include Short circuit in the rear wiper motor control circuit, Damaged or corroded wiring in the rear wiper system, Faulty rear wiper motor. 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
- B231C indicates Rear Wiper Motor Control Circuit High.
- Common causes
- Common causes include Short circuit in the rear wiper motor control circuit, Damaged or corroded wiring in the rear wiper system, Faulty rear wiper motor.
- 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 B231C Description
The B231C diagnostic trouble code (DTC) indicates a problem with the rear wiper motor control circuit being too high. This code is typically found in vehicles equipped with a rear windshield wiper system. The rear wiper motor control circuit is responsible for controlling the operation of the rear wiper motor, which is essential for maintaining visibility through the rear windshield during inclement weather conditions.
Common Causes of B231C
- Short circuit in the rear wiper motor control circuit.
- Damaged or corroded wiring in the rear wiper system.
- Faulty rear wiper motor.
- Malfunctioning rear wiper control module.
- Electrical issues such as a blown fuse or relay in the rear wiper system.
Symptoms of B231C
- Rear wiper not working or operating erratically.
- Rear wiper moving slower than usual.
- Rear wiper getting stuck in one position.
- Rear wiper making unusual noises during operation.
- Rear wiper blade not making full contact with the windshield.
How to Fix B231C
- Begin by conducting a visual inspection of the rear wiper system, looking for any obvious signs of damage or corrosion in the wiring and connections.
- Use a multimeter to test the voltage in the rear wiper motor control circuit to determine if it is indeed too high.
- Check the rear wiper motor for proper operation and replace it if necessary.
- Inspect the rear wiper control module for any signs of damage or malfunction and replace it if needed.
- Clear the DTC from the vehicle's computer system using a diagnostic scanner after completing the repairs.
Cost to Fix B231C
The typical repair costs for addressing a rear wiper motor control circuit high code can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to ensure you're getting a fair price. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops often offer more affordable rates.
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Code B231C Information for Specific Makes
- B231C Chrysler — Rear Wiper Motor Control Circuit High
- B231C Dodge — Rear Wiper Motor Control Circuit High
- B231C Jeep — Rear Wiper Motor Control Circuit High
- B231C RAM — Rear Wiper Motor Control Circuit High
Frequently Asked Questions about B231C Code
1. What does the OBDII code B231C mean?
B231C indicates a high voltage condition in the rear wiper motor control circuit, suggesting an electrical issue with the rear wiper system.
2. What are the common symptoms of the B231C code?
Common symptoms include a non-functional rear wiper, erratic wiper operation, or the rear wiper not responding to commands.
3. What causes the B231C code to appear?
Possible causes include a short to power in the wiring, a faulty rear wiper motor, a damaged control module, or corroded electrical connections.
4. How do I diagnose a B231C code?
Start by visually inspecting the rear wiper motor, wiring, and connectors for damage or corrosion. Use a multimeter to check for voltage irregularities in the circuit.
5. Can I still drive with a B231C code?
Yes, you can still drive with this code, but the rear wiper may not function, which can be problematic in rain or snow.
6. How do I fix the B231C code?
Repairs may involve replacing the rear wiper motor, repairing or replacing damaged wiring, cleaning corroded connectors, or addressing issues with the control module.
7. Can a blown fuse cause the B231C code?
While a blown fuse typically causes a loss of power, not a high voltage condition, it’s still worth checking the rear wiper system fuse as part of the diagnosis.
8. How much does it cost to repair a B231C code?
Repair costs depend on the root cause. Replacing a rear wiper motor may cost $100–$300, while wiring repairs could range from $50–$200.
9. Can I clear the B231C code without repairing the issue?
Clearing the code with a scan tool won’t fix the underlying problem, and the code will likely return unless the issue is resolved.
10. What tools are needed to diagnose a B231C code?
You’ll need a diagnostic scan tool, a multimeter, and basic hand tools to inspect and test the rear wiper motor circuit.
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