AutoCodesLexus – C1432 Lexus

C1432 Lexus Code - Steering Angle Sensor Power Source Voltage Malfunction

Quick Answer

The Steering Angle Sensor signals are sent to the Skid Control ECU (Brake Actuator Assembly) via the Control Area Network (CAN) communication system. Common causes include Faulty Steering Angle Sensor (Spiral Cable), Steering Angle Sensor power supply, Steering Angle Sensor harness is open or shorted. 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
C1432 Lexus indicates Steering Angle Sensor Power Source Voltage Malfunction.
Common causes
Common causes include Faulty Steering Angle Sensor (Spiral Cable), Steering Angle Sensor power supply, Steering Angle Sensor harness is open or shorted.
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 4,432
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 29, 2023
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Code C1432 Lexus Description

The Steering Angle Sensor signals are sent to the Skid Control ECU (Brake Actuator Assembly) via the Control Area Network (CAN) communication system. When there is a malfunction in the CAN communication system, it will be detected by the steering angle sensor zero point malfunction diagnostic function. The Skid Control ECU (Brake Actuator Assembly) monitors the Steering Angle Sensor. The Skid Control ECU (Brake Actuator Assembly) sets the Diagnostic Trouble Code (DTC) code when the Steering Angle Sensor is not to factory specifications.
OBDII Code C1432 Lexus - Steering Angle Sensor Power Source Voltage Malfunction - AutoCodes.com
C1432 Lexus Code - Steering Angle Sensor Power Source Voltage Malfunction

What are the Possible Causes of the DTC C1432 Lexus?

  • Faulty Steering Angle Sensor (Spiral Cable)
  • Steering Angle Sensor power supply
  • Steering Angle Sensor harness is open or shorted
  • Steering Angle Sensor circuit poor electrical connection

How to Fix the DTC C1432 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 C1432 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.

Need more information about the C1432 Lexus code?

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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 C1432 Lexus Code

1. What does the OBDII code C1432 mean on a Lexus?

C1432 indicates a "Steering Angle Sensor Power Source Voltage Malfunction," meaning there’s an issue with the power supply or circuit connected to the steering angle sensor.

2. What are the symptoms of the C1432 code in a Lexus?

Common symptoms include the ABS or traction control light illuminating, possible loss of stability control functionality, and erratic steering angle sensor readings.

3. What causes the C1432 code to appear?

The code can be triggered by a faulty steering angle sensor, damaged wiring, a blown fuse, or poor electrical connections in the sensor’s circuit.

4. Can I drive my Lexus with the C1432 code active?

While the vehicle may still be drivable, safety features like ABS or traction control may not function correctly. It’s best to address the issue as soon as possible.

5. How do I diagnose the C1432 code in a Lexus?

Diagnosis involves checking the steering angle sensor’s power and ground connections, inspecting wiring and connectors for damage, and testing the sensor itself for proper operation.

6. Is replacing the steering angle sensor the only solution for the C1432 code?

Not necessarily. The issue could also stem from bad wiring, a blown fuse, or a poor connection, so a thorough diagnosis is necessary before replacing the sensor.

7. How much does it cost to fix the C1432 code on a Lexus?

Repair costs vary depending on the issue but could range from $100 for a simple wiring repair to $500 or more if the steering angle sensor needs replacement.

8. What tools are needed to fix the C1432 code?

You’ll need an OBDII scanner capable of reading ABS codes, a multimeter for testing voltage, and potentially wiring repair tools.

9. Will clearing the C1432 code solve the problem?

Clearing the code without addressing the underlying issue will not fix the problem. The code will likely return if the malfunction is not resolved.

10. Can a dead battery cause the C1432 code on a Lexus?

Yes, a weak or dead battery can disrupt the power supply to the steering angle sensor, potentially triggering this code.

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