C1A47 Code - Steering Angle Sensor
Quick Answer
For vehicles with Blind Spot Monitor System: The Blind Spot Monitor Sensor receives steering angle signals from the Steering Angle Sensor via Controller Area Network (CAN) communication. Common causes include Faulty Vehicle Stability Control System, Faulty Skid Control ECU (Brake Actuator Assembly), Faulty Driving Support ECU Assembly. 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
- C1A47 indicates Steering Angle Sensor.
- Common causes
- Common causes include Faulty Vehicle Stability Control System, Faulty Skid Control ECU (Brake Actuator Assembly), Faulty Driving Support ECU Assembly.
- 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 C1A47 Description
For vehicles with Lane Departure Alert System (W/ Steering Control): The Forward Recognition Camera receives steering angle information from the Steering Angle Sensor. If the forward recognition camera detects a Steering Angle Sensor malfunction, Diagnostic Trouble Code (DTC) C1A47 is stored.
For vehicles with Pre-collision System: The Skid Control ECU (Brake Actuator Assembly) receives steering rotation angle information from the spiral with sensor cable sub-assembly (Steering Angle Sensor) and sends the information to the Driving Support ECU Assembly via CAN communication.
If the Skid Control ECU (Brake Actuator Assembly) detects a malfunction of the spiral with sensor cable sub-assembly (Steering Angle Sensor), it sends a malfunction signal to the Driving Support ECU Assembly and stores this DTC.
What are the Possible Causes of the DTC C1A47?
- Faulty Vehicle Stability Control System
- Faulty Skid Control ECU (Brake Actuator Assembly)
- Faulty Driving Support ECU Assembly
For vehicles with Blind Spot Monitor System: - Steering Sensor
- Blind Spot Monitor Sensor Left (LH)
- Blind Spot Monitor Sensor Right (RH)
How to Fix the DTC C1A47?
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 C1A47 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
- C1A47 Lexus — Steering Angle Sensor
- C1A47 Toyota — Steering Angle Sensor
Frequently Asked Questions about C1A47 Code
What does OBDII code C1A47 indicate?
C1A47 refers to an issue with the Steering Angle Sensor, which measures the steering wheel's position and angle to assist in vehicle stability control functions.
What are the common symptoms of code C1A47?
Symptoms may include a malfunctioning stability control system, illuminated warning lights such as ABS or traction control, and difficulty in maintaining vehicle stability during turns.
What causes code C1A47 to appear?
Common causes include a faulty steering angle sensor, damaged wiring or connectors, incorrect calibration of the sensor, or issues with the ABS or stability control module.
Can I still drive my vehicle with code C1A47 present?
While the vehicle may still be drivable, stability control and traction systems may be compromised, increasing the risk of losing control in adverse driving conditions.
How can I diagnose code C1A47?
Use an OBDII scanner to confirm the code, inspect the steering angle sensor and its wiring, and check for proper calibration using diagnostic tools.
What repairs are needed to fix code C1A47?
Repairs may involve replacing or recalibrating the steering angle sensor, repairing damaged wiring or connectors, or updating software in the vehicle’s stability control module.
How do I recalibrate the steering angle sensor for code C1A47?
Recalibration typically requires a diagnostic tool or scanner capable of performing a sensor reset and may involve following specific procedures outlined by the vehicle manufacturer.
Can code C1A47 be caused by a dead battery?
Yes, a dead or disconnected battery can sometimes cause the sensor to lose calibration, leading to the C1A47 code.
How much does it cost to fix code C1A47?
Repair costs vary but may range from $150 to $500 depending on whether the sensor requires replacement or recalibration.
Can ignoring code C1A47 cause further damage?
Yes, ignoring this code can lead to compromised stability and traction control systems, increasing the risk of accidents or damage to related components.
Discuss the causes and fixes for C1A47 OBDII Code
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