AutoCodes – Lexus – C1333 Lexus

C1333 Lexus Code - Open Circuit In Left Rear Speed Sensor Circuit

Quick Answer

Each speed sensor detects wheel speed and sends the appropriate signals to the Skid Control ECU. Common causes include Faulty Left Rear Speed Sensor, Left Rear Speed Sensor harness is open or shorted, Left Rear Speed 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
C1333 Lexus indicates Open Circuit In Left Rear Speed Sensor Circuit.
Common causes
Common causes include Faulty Left Rear Speed Sensor, Left Rear Speed Sensor harness is open or shorted, Left Rear Speed 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 1,537
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 06, 2020
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Code C1333 Lexus Description

Each speed sensor detects wheel speed and sends the appropriate signals to the Skid Control ECU. These signals are used by the ABS control system. The speed sensor rotors have rows of alternating N and S magnetic poles. Hall IC type speed sensors use the frequency of output pulses to detect the vehicle speed. Because the sensor outputs digital pulses, it can detect the vehicle speed even when the vehicle is nearly stationary.
OBDII Code C1333 Lexus - Open Circuit In Left Rear Speed Sensor Circuit - AutoCodes.com
C1333 Lexus Code - Open Circuit In Left Rear Speed Sensor Circuit

What are the Possible Causes of the DTC C1333 Lexus?

  • Faulty Left Rear Speed Sensor
  • Left Rear Speed Sensor harness is open or shorted
  • Left Rear Speed Sensor circuit poor electrical connection
  • Faulty Skid Control ECU (Brake Actuator Assembly)

How to Fix the DTC C1333 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 C1333 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 C1333 Lexus code?

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Need Help with the 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 C1333 Lexus Code

1. What are the common symptoms of OBDII code C1333 in a Lexus related to an open circuit in the left rear speed sensor circuit?

- Common symptoms include the ABS warning light illuminating on the dashboard, traction control system malfunctions, and potential loss of ABS functionality.

2. What could cause the OBDII code C1333 to trigger in a Lexus due to an open circuit in the left rear speed sensor circuit?

- Possible causes include damaged wiring, a faulty speed sensor, poor electrical connections, or corrosion in the sensor circuit.

3. How can I diagnose the open circuit in the left rear speed sensor circuit causing OBDII code C1333 in my Lexus?

- Use a multimeter to test the continuity of the wiring, inspect the speed sensor for damage, and check for loose or corroded connections in the circuit.

4. Is it safe to continue driving my Lexus with OBDII code C1333 indicating an open circuit in the left rear speed sensor circuit?

- It is not recommended to continue driving as the ABS system may not function properly, potentially compromising vehicle safety in emergency braking situations.

5. What is the typical repair process for resolving OBDII code C1333 due to an open circuit in the left rear speed sensor circuit in a Lexus?

- The repair process involves locating and repairing the open circuit, replacing the damaged speed sensor if necessary, and ensuring all electrical connections are secure.

6. Can I clear the OBDII code C1333 related to an open circuit in the left rear speed sensor circuit in my Lexus with a simple reset?

- Clearing the code may temporarily turn off the warning light, but it will likely reappear if the underlying issue causing the open circuit is not resolved.

7. Are there any preventive maintenance tips to avoid encountering OBDII code C1333 in a Lexus due to an open circuit in the left rear speed sensor circuit?

- Regularly inspect and maintain the condition of the speed sensors, wiring, and electrical connections to prevent potential faults that could trigger this code.

8. Can a DIY enthusiast with basic automotive knowledge fix the open circuit issue causing OBDII code C1333 in the left rear speed sensor circuit of a Lexus?

- Depending on the extent of the damage and the individual's skills, it may be possible to repair the open circuit, replace the speed sensor, and address any connection issues with guidance from repair manuals or tutorials.

9. Does the OBDII code C1333 in a Lexus related to an open circuit in the left rear speed sensor circuit affect vehicle performance in any way?

- While the code itself may not directly impact performance, the underlying issue with the speed sensor circuit can affect the functionality of the ABS system, traction control, and overall safety features.

10. How crucial is it to address OBDII code C1333 indicating an open circuit in the left rear speed sensor circuit promptly in a Lexus?

- It is important to address this issue promptly to ensure the proper functioning of the ABS system and maintain safe driving conditions, especially in situations requiring sudden braking or traction control.

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