C1439 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 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 Description
What are the Possible Causes of the DTC C1439?
- 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?
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 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 C1439 code?
Need more information on how to fix the C1439 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1439 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1439 Lexus — Steering Angle Sensor Initialization Incomplete
- C1439 Scion — Steering Angle Sensor Initialization Incomplete
- C1439 Toyota — Steering Angle Sensor Initialization Incomplete
Frequently Asked Questions about C1439 Code
1. What are the common symptoms of OBDII code C1439 (Steering Angle Sensor Initialization Incomplete)?
- Common symptoms include the traction control warning light or stability control warning light illuminating on the dashboard.
2. What are some possible causes of OBDII code C1439?
- Possible causes include a faulty steering angle sensor, issues with the steering system calibration, or a problem with the electronic stability control system.
3. How is the steering angle sensor initialization typically performed to resolve OBDII code C1439?
- The steering angle sensor initialization process usually involves using a diagnostic scan tool to calibrate the sensor to the correct position.
4. Can OBDII code C1439 be reset without addressing the underlying issue?
- Resetting the code without resolving the underlying issue will likely result in the code reappearing once the system detects the problem again.
5. Is it safe to drive with OBDII code C1439 present?
- It is generally not recommended to drive with this code present, as it can affect the proper functioning of the vehicle's stability control system.
6. How can I prevent OBDII code C1439 from occurring in the future?
- Regular maintenance and inspections of the steering angle sensor, steering system, and stability control system can help prevent this code from reoccurring.
7. Can a DIY enthusiast attempt to fix OBDII code C1439 at home?
- While some basic troubleshooting steps can be performed at home, resolving this code often requires specialized tools and expertise, so it is recommended to consult a professional mechanic.
8. How long does it typically take to repair OBDII code C1439?
- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from a few hours to a day to diagnose and fix the problem.
9. Are there any recalls related to OBDII code C1439?
- It is advisable to check with the vehicle manufacturer or a local dealership to see if there are any recalls related to this specific OBDII code for your vehicle.
10. Can weather conditions affect the occurrence of OBDII code C1439?
- Extreme weather conditions or driving on rough terrain can potentially impact the steering angle sensor and trigger the initialization incomplete code.
Discuss the causes and fixes for C1439 OBDII Code
Code C1439 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
