AutoCodes – Toyota – C1440 2018 Toyota RAV4

C1440 2018 Toyota RAV4 Code - Steering Angle Sensor Unusual Bank Angle Detected

Quick Answer

If the Skid Control ECU (Brake Actuator Assembly) determines that the vehicle is being driven at a steep bank angle, the Skid Control ECU (Brake Actuator Assembly) stores Diagnostic Trouble Code (DTC) C1440 while VSC operation is temporarily disabled. Common causes include Faulty Yaw Rate and Acceleration Sensor (Airbag Sensor Assembly), Yaw Rate and Acceleration Sensor harness is open or shorted, Yaw Rate and Acceleration 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: C1440 2018 Toyota RAV4 indicates Steering Angle Sensor Unusual Bank Angle Detected.
Common causes: Common causes include Faulty Yaw Rate and Acceleration Sensor (Airbag Sensor Assembly), Yaw Rate and Acceleration Sensor harness is open or shorted, Yaw Rate and Acceleration 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.

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Code Popularity 287

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 30, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1440 2018 Toyota RAV4 Description

OBDII Code C1440 2018 Toyota RAV4 - Steering Angle Sensor Unusual Bank Angle Detected - AutoCodes.com — C1440 2018 Toyota RAV4 Code - Steering Angle Sensor Unusual Bank Angle Detected

What does this mean?

What are the Possible Causes of the DTC C1440 2018 Toyota RAV4?

Faulty Yaw Rate and Acceleration Sensor (Airbag Sensor Assembly)
Yaw Rate and Acceleration Sensor harness is open or shorted
Yaw Rate and Acceleration Sensor circuit poor electrical connection
Faulty Skid Control ECU (Brake Actuator Assembly)

How to Fix the DTC C1440 2018 Toyota RAV4?

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 C1440 2018 Toyota RAV4 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 C1440 2018 Toyota RAV4 code?

Need more information on how to fix the C1440 2018 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1440 2018 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1440 2018 Toyota RAV4 Code

1. What does the OBDII code C1440 mean on a 2018 Toyota RAV4?

Code C1440 indicates that the Steering Angle Sensor (SAS) has detected an unusual bank angle, which may affect the vehicle's stability control system.

2. What are the common symptoms of code C1440 in a 2018 Toyota RAV4?

Symptoms may include the ABS or traction control warning lights turning on, reduced stability control functionality, or difficulty with steering alignment.

3. What causes the C1440 code to appear on a Toyota RAV4?

Causes include a misaligned steering angle sensor, a faulty steering angle sensor, damaged wiring or connectors, or improper calibration after suspension or alignment work.

4. Can I drive my 2018 Toyota RAV4 with the C1440 code active?

While the vehicle may still be drivable, stability control and traction systems could be compromised, increasing the risk of unsafe driving conditions.

5. How is the C1440 code diagnosed?

A mechanic will use an OBDII scanner to confirm the code, check the steering angle sensor's readings, inspect the wiring and connectors, and verify the sensor's calibration.

6. How do you fix the C1440 code on a 2018 Toyota RAV4?

Repairs may include recalibrating the steering angle sensor, replacing a faulty sensor, repairing damaged wiring, or addressing suspension or alignment issues.

7. Does the steering angle sensor need recalibration after an alignment?

Yes, if the steering angle sensor is not recalibrated after an alignment, it can trigger the C1440 code due to incorrect readings.

8. What tools are needed to fix the C1440 code?

A diagnostic scanner with SAS calibration capabilities, basic hand tools, and possibly a multimeter for electrical testing are needed.

9. How much does it cost to repair the C1440 code on a Toyota RAV4?

Costs vary depending on the issue, but recalibration typically ranges from $100 to $200, while sensor replacement may cost $300-$500, including parts and labor.

10. Can I reset the C1440 code without fixing the problem?

Clearing the code without addressing the root cause may result in the warning light returning and could lead to further issues with the stability control system.