AutoCodes – Infiniti – P1574 2006 Infiniti G35

P1574 2006 Infiniti G35 Code - ASCD Vehicle Speed Sensor

Quick Answer

The Engine Control Module (ECM) receives two vehicle speed sensor signals via Communication Area Network (CAN) communication line. Common causes include Harness or connectors of the Communication Area Network (CAN) communication line is open or shorted, Combination meter circuit is open or shorted, Faulty Combination meter. 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 Harness or connectors of the Communication Area Network (CAN) communication line is open or shorted, Combination meter circuit is open or shorted, Faulty Combination meter.
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 3,342

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 May 18, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1574 2006 Infiniti G35 Description

The Engine Control Module (ECM) receives two vehicle speed sensor signals via Communication Area Network (CAN) communication line. One is sent from combination meter, and the other is from TCM (Transmission control module). The ECM uses these signals for Automatic Speed Control Module (ASCD) control.

OBDII Code P1574 2006 Infiniti G35 - ASCD Vehicle Speed Sensor - AutoCodes.com — P1574 2006 Infiniti G35 Code - ASCD Vehicle Speed Sensor

What does this mean?

What are the Possible Causes of the DTC P1574 2006 Infiniti G35?

Harness or connectors of the Communication Area Network (CAN) communication line is open or shorted
Combination meter circuit is open or shorted
Faulty Combination meter
Faulty Vehicle speed sensor
Faulty Transmission Control Module
VDC/TCS/ABS control unit

How to Fix the DTC P1574 2006 Infiniti G35?

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 does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1574 2006 Infiniti G35 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.

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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.