C1231 Code - Steering Angle Sensor Circuit Malfunction
Quick Answer
The Skid Control ECU inputs the steering sensor signal through the CAN communication. Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor 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
- C1231 indicates Steering Angle Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty Steering Angle Sensor, Steering Angle Sensor harness is open or shorted, Steering Angle Sensor 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 C1231 Description
What are the Possible Causes of the DTC C1231?
- Faulty Steering Angle Sensor
- Steering Angle Sensor harness is open or shorted
- Steering Angle Sensor circuit poor electrical connection
- Faulty Skid Control ECU
How to Fix the DTC C1231?
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 C1231 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.
Need more information about the C1231 code?
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Need Help with the Code?
Get the C1231 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1231 Lexus — Steering Angle Sensor Circuit Malfunction
- C1231 Scion — Steering Angle Sensor Circuit Malfunction
- C1231 Toyota — Steering Angle Sensor Circuit Malfunction
Frequently Asked Questions about C1231 Code
1. What are common symptoms of OBDII code C1231 (Steering Angle Sensor Circuit Malfunction)?
Symptoms may include the traction control and stability control lights illuminating on the dashboard, difficulty steering, and potential loss of stability control functionality.
2. What are possible causes of OBDII code C1231?
Possible causes include a faulty steering angle sensor, damaged wiring or connectors in the steering angle sensor circuit, or a malfunctioning electronic stability control module.
3. How can I diagnose the issue related to code C1231?
Diagnosis typically involves using a diagnostic scanner to retrieve the code, inspecting the wiring and connectors in the steering angle sensor circuit, and testing the sensor itself for proper functionality.
4. Can a DIYer repair OBDII code C1231 at home?
While some DIYers may be able to replace a faulty steering angle sensor, diagnosing and repairing the underlying cause of the circuit malfunction may require specialized tools and expertise best handled by a professional mechanic.
5. Is it safe to drive with OBDII code C1231 active?
It is not recommended to drive with the code active, as the malfunctioning steering angle sensor can affect the vehicle's stability control system and potentially compromise safety on the road.
6. How much does it cost to repair OBDII code C1231?
The cost of repair can vary depending on the specific cause of the issue, but it may range from a couple of hundred dollars for a sensor replacement to more significant costs if the problem involves complex wiring or module repairs.
7. Can resetting the OBDII code C1231 clear the issue temporarily?
Resetting the code may temporarily turn off the warning lights, but if the underlying issue causing the steering angle sensor malfunction is not addressed, the code is likely to reappear.
8. How long does it take to repair OBDII code C1231?
The repair time can vary based on the cause of the issue and the expertise of the mechanic, but it may take a few hours to a day to diagnose and fix the steering angle sensor circuit malfunction.
9. Will OBDII code C1231 cause the vehicle to fail an emissions test?
The code itself may not directly impact emissions, but if left unresolved, it can lead to other malfunctions that may affect the vehicle's overall performance and emissions output.
10. Can extreme weather conditions affect the occurrence of OBDII code C1231?
Extreme temperatures or moisture exposure can potentially impact the steering angle sensor and its circuit, leading to intermittent malfunctions and triggering the C1231 trouble code.
Discuss the causes and fixes for C1231 OBDII Code
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