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P1574 2006 Infiniti G35 Code - ASCD Vehicle Speed Sensor

Quick Answer

The P1574 diagnostic trouble code (DTC) in a 2006 Infiniti G35 refers to an issue with the Automatic Speed Control Device (ASCD) vehicle speed sensor. Common causes include Faulty ASCD vehicle speed sensor, Damaged wiring or connectors, Malfunctioning ECM. 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
P1574 2006 Infiniti G35 indicates ASCD Vehicle Speed Sensor.
Common causes
Common causes include Faulty ASCD vehicle speed sensor, Damaged wiring or connectors, Malfunctioning ECM.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P1574 2006 Infiniti G35 Description

The P1574 diagnostic trouble code (DTC) in a 2006 Infiniti G35 refers to an issue with the Automatic Speed Control Device (ASCD) vehicle speed sensor. The ASCD system is responsible for maintaining a constant speed set by the driver, similar to cruise control. The vehicle speed sensor plays a crucial role in this system by providing the necessary speed data to the engine control module (ECM) for proper operation.

OBDII Code P1574 2006 Infiniti G35 - ASCD Vehicle Speed Sensor
P1574 2006 Infiniti G35 Code - ASCD Vehicle Speed Sensor

Common Causes of P1574 2006 Infiniti G35

  1. Faulty ASCD vehicle speed sensor
  2. Damaged wiring or connectors
  3. Malfunctioning ECM
  4. Electrical issues
  5. Exposure to harsh environmental conditions

Symptoms of P1574 2006 Infiniti G35

  1. Erratic speedometer readings
  2. Inability to engage cruise control
  3. Poor fuel efficiency
  4. Stalling or hesitation while driving
  5. Harsh shifting or transmission issues

How to Fix P1574 2006 Infiniti G35

  1. Diagnose the issue using a scan tool to confirm the P1574 code.
  2. Inspect the ASCD vehicle speed sensor, wiring, and connectors for any visible damage.
  3. Test the sensor's functionality using a multimeter to ensure accurate speed readings.
  4. Replace the faulty ASCD vehicle speed sensor if necessary.
  5. Clear the DTC and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1574 2006 Infiniti G35

The typical repair costs for addressing the ASCD vehicle speed sensor issue in a 2006 Infiniti G35 can range from $150 to $300, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to check local rates for a more precise estimate.

What does this mean?

Tech Notes for P1574 2006 Infiniti G35

If P1574 is displayed with U1000, U1001, P0500 or P0605 perform the other trouble diagnosis for U1000, U1001, P0500 or P0605 first.

When is the Code Detected?

ECM detects a difference between two vehicle speed signals is out of the specified range.

Need more information about the P1574 2006 Infiniti G35 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 P1574 2006 Infiniti G35 Code

1. What does OBDII code P1574 in a 2006 Infiniti G35 mean?

The OBDII code P1574 in a 2006 Infiniti G35 indicates a malfunction related to the ASCD (Automatic Speed Control Device) vehicle speed sensor.

2. What are the common symptoms of a P1574 code in a 2006 Infiniti G35?

Common symptoms of a P1574 code in a 2006 Infiniti G35 may include issues with cruise control operation, erratic speedometer readings, and the inability to maintain a constant speed.

3. What are the possible causes of a P1574 code in a 2006 Infiniti G35?

Possible causes of a P1574 code in a 2006 Infiniti G35 include a faulty ASCD vehicle speed sensor, wiring or connector issues, or a problem with the ASCD control unit.

4. How can I diagnose a P1574 code in a 2006 Infiniti G35?

Diagnosing a P1574 code in a 2006 Infiniti G35 typically involves using a diagnostic scanner to retrieve the code, inspecting the ASCD vehicle speed sensor and its wiring, and testing the ASCD control unit for proper functionality.

5. Can I continue driving my 2006 Infiniti G35 with a P1574 code?

It is not recommended to continue driving your 2006 Infiniti G35 with a P1574 code, as it may lead to issues with the cruise control system and potentially affect the vehicle's performance.

6. How can I repair a P1574 code in a 2006 Infiniti G35?

Repairing a P1574 code in a 2006 Infiniti G35 may involve replacing the faulty ASCD vehicle speed sensor, repairing any damaged wiring or connectors, or addressing any issues with the ASCD control unit.

7. Is it possible to reset a P1574 code in a 2006 Infiniti G35 without repairs?

While clearing the code may temporarily turn off the check engine light, it is important to address the underlying issue causing the P1574 code to prevent future problems with the vehicle's ASCD system.

8. How much does it cost to repair a P1574 code in a 2006 Infiniti G35?

The cost of repairing a P1574 code in a 2006 Infiniti G35 can vary depending on the specific cause of the issue, the parts needed for repair, and labor costs at the repair shop or dealership.

9. Can a P1574 code in a 2006 Infiniti G35 be caused by other issues besides the ASCD vehicle speed sensor?

While the ASCD vehicle speed sensor is a common culprit for a P1574 code, other factors such as wiring faults or problems with the ASCD control unit can also trigger this diagnostic trouble code.

10. Will a P1574 code in a 2006 Infiniti G35 affect the vehicle's overall drivability?

While a P1574 code may not directly impact the drivability of a 2006 Infiniti G35, it can lead to issues with the cruise control system and potentially affect the vehicle's ability to maintain a constant speed.

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