AutoCodes – Lexus – C1572 Lexus

C1572 Lexus Code - Vehicle Speed Signal Malfunction

Quick Answer

The Power Steering ECU receives vehicle speed signals from the Skid Control ECU via CAN communication. Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle 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
C1572 Lexus indicates Vehicle Speed Signal Malfunction.
Common causes
Common causes include Faulty Vehicle Speed Sensor, Vehicle Speed Sensor harness is open or shorted, Vehicle 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 910
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 05, 2020
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Code C1572 Lexus Description

The Power Steering ECU receives vehicle speed signals from the Skid Control ECU via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed, based on the signals. If the ECU detects this Diagnostic Trouble Code (DTC), it adjusts the amount of power assistance for a speed of 100 km/h (62 mph) and continues the system control. The Power Steering ECU monitors the Vehicle Speed Signal. The Power Steering ECU sets the OBDII code when the Vehicle Speed Signal is not to factory specifications.
OBDII Code C1572 Lexus - Vehicle Speed Signal Malfunction - AutoCodes.com
C1572 Lexus Code - Vehicle Speed Signal Malfunction

What are the Possible Causes of the DTC C1572 Lexus?

  • Faulty Vehicle Speed Sensor
  • Vehicle Speed Sensor harness is open or shorted
  • Vehicle Speed Sensor circuit poor electrical connection
  • Faulty Skid Control ECU
  • Faulty Power Steering ECU

How to Fix the DTC C1572 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 C1572 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 C1572 Lexus code?

Need more information on how to fix the C1572 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1572 Lexus 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 C1572 Lexus Code

1. What are the common symptoms of OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction?

- Common symptoms include erratic speedometer readings, ABS warning light illuminated, and issues with cruise control functionality.

2. What can cause the OBDII code C1572 (Lexus) to trigger the Vehicle Speed Signal Malfunction?

- The code can be triggered by a faulty vehicle speed sensor, damaged wiring or connectors related to the speed sensor, or a malfunction in the ABS control module.

3. How can I diagnose the OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction?

- Diagnosing this code typically involves checking the vehicle speed sensor for proper operation, inspecting the wiring and connectors for damage, and using a scan tool to retrieve specific diagnostic information.

4. Can a Vehicle Speed Signal Malfunction affect the vehicle's performance or safety?

- Yes, a malfunction in the vehicle speed signal can affect various systems like the speedometer, ABS, and cruise control, potentially impacting the vehicle's performance and safety.

5. What are some DIY repair tips for fixing the OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction?

- DIY repair tips may include checking and cleaning the speed sensor and its connections, repairing damaged wiring, or replacing the faulty speed sensor if necessary.

6. How much does it typically cost to repair the Vehicle Speed Signal Malfunction related to OBDII code C1572 (Lexus)?

- The repair costs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Can I continue driving my vehicle with the OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction?

- It is not recommended to ignore this issue, as it can lead to further complications with speed-related systems in the vehicle. It is advisable to address the problem promptly.

8. Will resetting the OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction resolve the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying problem persists, the code is likely to reappear. It's crucial to diagnose and fix the root cause of the malfunction.

9. How long does it take to repair the OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction?

- The repair time can vary based on the specific cause of the issue and the complexity of the repair. It may take anywhere from 1 to 3 hours to diagnose and fix the problem.

10. Can a professional mechanic help with diagnosing and repairing the OBDII code C1572 (Lexus) - Vehicle Speed Signal Malfunction?

- Yes, seeking assistance from a professional mechanic or automotive technician is recommended for accurate diagnosis and proper repair of the Vehicle Speed Signal Malfunction related to OBDII code C1572 in a Lexus vehicle.

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