C1445 Lexus Code - Vehicle Driven with Steering Angle Sensor not Initialized
Quick Answer
The Skid Control ECU (Brake Actuator Assembly) acquires a steering sensor zero point every time the ignition switch is turned to ON and the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds. 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
- C1445 Lexus indicates Vehicle Driven with Steering Angle Sensor not Initialized.
- 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 C1445 Lexus Description
What are the Possible Causes of the DTC C1445 Lexus?
- Faulty Steering Angle Sensor
- Steering Angle Sensor harness is open or shorted
- Steering Angle Sensor circuit poor electrical connection
- Yaw Rate and Acceleration Sensor (for separate type)
- Yaw Rate and Acceleration Sensor (Airbag sensor assembly) (for built-in type)
How to Fix the DTC C1445 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 C1445 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 C1445 Lexus Code
1. What are the common symptoms of OBDII code C1445 in a Lexus related to the steering angle sensor not initialized?
- Common symptoms include the traction control light staying on, the ABS light illuminating, and potential issues with the stability control system.
2. What can cause the steering angle sensor in a Lexus to not be initialized properly?
- The steering angle sensor may not be initialized due to a dead battery, recent wheel alignment, or a malfunction in the sensor itself.
3. How is the steering angle sensor initialized in a Lexus to resolve OBDII code C1445?
- To initialize the steering angle sensor, the vehicle typically needs to be driven in a straight line at a steady speed for a certain distance, allowing the sensor to calibrate.
4. Can I drive my Lexus safely with the steering angle sensor not initialized?
- Driving with the steering angle sensor not initialized may affect the operation of stability control systems, so it's recommended to address the issue promptly.
5. What are some DIY tips to try and resolve OBDII code C1445 related to the steering angle sensor in a Lexus?
- DIY tips may include checking the battery voltage, ensuring the steering wheel is centered, and attempting to initialize the sensor by following the vehicle's user manual instructions.
6. Is it possible to reset the steering angle sensor in a Lexus without specialized equipment?
- In some cases, it may be possible to reset the steering angle sensor using the steering wheel buttons or following specific procedures outlined in the vehicle manual.
7. Will initializing the steering angle sensor in a Lexus require a visit to a dealership or mechanic?
- Initializing the steering angle sensor can often be done without visiting a dealership or mechanic if you follow the correct procedures outlined in the vehicle manual.
8. How critical is it to address OBDII code C1445 related to the steering angle sensor in a Lexus?
- It is important to address this code promptly as it can affect the performance of safety systems like traction control and ABS, potentially compromising vehicle safety.
9. Can a faulty steering angle sensor cause other issues in a Lexus besides triggering OBDII code C1445?
- Yes, a faulty steering angle sensor can lead to incorrect steering input data, affecting various vehicle systems and potentially causing safety concerns.
10. How can a professional mechanic diagnose the root cause of OBDII code C1445 in a Lexus accurately?
- A professional mechanic can use specialized diagnostic equipment to read live data from the sensor, inspect the sensor for physical damage, and perform a thorough system check to pinpoint the issue accurately.
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