C1231 Lexus 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 Lexus 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 Lexus Description
What are the Possible Causes of the DTC C1231 Lexus?
- 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 Lexus?
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 Lexus 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 C1231 Lexus Code
1. What are common symptoms of OBDII code C1231 in a Lexus related to the Steering Angle Sensor Circuit Malfunction?
- Common symptoms include the traction control light or stability control warning light illuminating on the dashboard, loss of traction control functionality, and potential steering wheel calibration issues.
2. What are some possible causes of the C1231 OBDII code in a Lexus indicating a Steering Angle Sensor Circuit Malfunction?
- Possible causes include a faulty steering angle sensor, damaged wiring or connectors in the steering angle sensor circuit, or a malfunctioning ABS module.
3. How can I diagnose the source of the C1231 OBDII code in my Lexus related to the Steering Angle Sensor Circuit Malfunction?
- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific trouble codes, inspecting the steering angle sensor and its wiring for any visible damage, and testing the sensor's output using diagnostic tools.
4. Can I continue driving my Lexus with the C1231 OBDII code indicating a Steering Angle Sensor Circuit Malfunction?
- It is not recommended to continue driving your Lexus with this code active, as it may affect the vehicle's stability control system and compromise overall safety. Prompt diagnosis and repair are advised.
5. What are the repair options for fixing the Steering Angle Sensor Circuit Malfunction in a Lexus triggering the C1231 OBDII code?
- Repair options may include replacing the faulty steering angle sensor, repairing damaged wiring or connectors, or reprogramming/calibrating the sensor using specialized tools and software.
6. Is it possible to reset the C1231 OBDII code related to the Steering Angle Sensor Circuit Malfunction in a Lexus without fixing the underlying issue?
- While you can clear the code temporarily using an OBDII scanner, the warning light is likely to reappear if the root cause of the issue is not addressed. It's essential to fix the problem to prevent further issues.
7. How much does it typically cost to repair the Steering Angle Sensor Circuit Malfunction triggering the C1231 OBDII code in a Lexus?
- The cost of repair can vary depending on the specific issue causing the code, the labor rates of the repair shop, and whether any parts need replacement. It's best to get a diagnostic assessment for an accurate estimate.
8. Are there any preventive maintenance tips to avoid encountering the C1231 OBDII code related to the Steering Angle Sensor Circuit Malfunction in a Lexus?
- Regularly inspecting and maintaining the steering angle sensor, ensuring proper wiring connections, and addressing any warning lights promptly can help prevent issues leading to this OBDII code.
9. Can a DIY enthusiast with automotive experience repair the Steering Angle Sensor Circuit Malfunction causing the C1231 OBDII code in a Lexus?
- While some experienced DIYers may be able to diagnose and repair simple issues related to the steering angle sensor circuit, complex repairs or sensor calibrations may require professional tools and expertise.
10. How long does it typically take to repair the Steering Angle Sensor Circuit Malfunction in a Lexus triggering the C1231 OBDII code?
- The repair time can vary based on the specific issue, availability of parts, and the shop's workload. Simple repairs may take a few hours, while more complex problems could extend the repair time.
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