B231C Code - Rear Wiper Motor Control Circuit High
Quick Answer
The Totally Integrated Power Module (TIPM) monitors the Rear Wiper Motor Control Circuit. Common causes include Faulty Rear Wiper Motor Relay, Rear Wiper Motor Relay harness is open or shorted, Rear Wiper Motor 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
- B231C indicates Rear Wiper Motor Control Circuit High.
- Common causes
- Common causes include Faulty Rear Wiper Motor Relay, Rear Wiper Motor Relay harness is open or shorted, Rear Wiper Motor 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 B231C Description
What are the Possible Causes of the DTC B231C?
- Faulty Rear Wiper Motor Relay
- Rear Wiper Motor Relay harness is open or shorted
- Rear Wiper Motor Relay circuit poor electrical connection
- Faulty Totally Integrated Power Module (TIPM)
How to Fix the DTC B231C?
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 B231C 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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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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