C1439 Toyota Code - Steering Angle Sensor Initialization Incomplete
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
- C1439 Toyota indicates Steering Angle Sensor Initialization Incomplete.
- 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 C1439 Toyota Description
What are the Possible Causes of the DTC C1439 Toyota?
- 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 C1439 Toyota?
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 C1439 Toyota 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 Toyota Models
- C1439 2013 Toyota RAV4 — Steering Angle Sensor Initialization Incomplete
- C1439 2014 Toyota RAV4 — Steering Angle Sensor Initialization Incomplete
- C1439 2015 Toyota RAV4 — Steering Angle Sensor Initialization Incomplete
- C1439 2016 Toyota RAV4 — Steering Angle Sensor Initialization Incomplete
- C1439 2017 Toyota RAV4 — Steering Angle Sensor Initialization Incomplete
- C1439 2018 Toyota RAV4 — Steering Angle Sensor Initialization Incomplete
Frequently Asked Questions about C1439 Toyota Code
1. What are the common symptoms of OBDII code C1439 in a Toyota related to Steering Angle Sensor Initialization Incomplete?
- Common symptoms include the traction control light or ABS light illuminating on the dashboard, along with potential issues with the vehicle stability control system.
2. What can cause the Steering Angle Sensor Initialization Incomplete error code C1439 in a Toyota?
- This code can be triggered by a disconnected or malfunctioning steering angle sensor, a faulty steering angle sensor module, or issues with the vehicle's electronic stability control system.
3. How can I diagnose the Steering Angle Sensor Initialization Incomplete code C1439 in my Toyota?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific error code, checking the connections to the steering angle sensor, and inspecting the sensor itself for any physical damage or signs of malfunction.
4. Can I drive my Toyota with the C1439 code indicating Steering Angle Sensor Initialization Incomplete?
- It is not recommended to drive the vehicle with this code active, as it can affect the proper functioning of the stability control system, potentially compromising safety and performance.
5. How can I repair the Steering Angle Sensor Initialization Incomplete issue in my Toyota?
- Repair options may include recalibrating or reinitializing the steering angle sensor using a specialized diagnostic tool, replacing a faulty sensor or sensor module, or addressing any underlying issues with the stability control system.
6. Is it possible to reset the C1439 code related to Steering Angle Sensor Initialization Incomplete in a Toyota without professional help?
- While you can attempt to clear the error code using an OBDII scanner, it is essential to address the root cause of the issue to prevent the code from reappearing.
7. Will the C1439 code related to Steering Angle Sensor Initialization Incomplete affect my Toyota's drivability?
- While the vehicle may still be operable with this code present, it is crucial to address the underlying issue promptly to ensure optimal performance, safety, and stability control functionality.
8. How much does it typically cost to repair the Steering Angle Sensor Initialization Incomplete problem in a Toyota?
- Repair costs can vary depending on the specific cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
9. Can extreme weather conditions or rough driving conditions trigger the C1439 code in a Toyota?
- While extreme conditions may not directly cause this error code, they can potentially exacerbate existing issues with the steering angle sensor or stability control system, leading to the code being triggered.
10. Are there any preventive maintenance measures I can take to avoid encountering the C1439 code in my Toyota?
- Regularly inspecting and maintaining the steering angle sensor, ensuring proper alignment and calibration, and addressing any warning lights promptly can help prevent the occurrence of the Steering Angle Sensor Initialization Incomplete code.
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