AutoCodes – Infiniti – P1574 2005 Infiniti G35

P1574 2005 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 2005 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 4,398

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 2005 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 2005 Infiniti G35 - ASCD Vehicle Speed Sensor - AutoCodes.com — P1574 2005 Infiniti G35 Code - ASCD Vehicle Speed Sensor

What does this mean?

What are the Possible Causes of the DTC P1574 2005 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 2005 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 2005 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.

Need more information about the P1574 2005 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 2005 Infiniti G35 Code

What does OBDII code P1574 mean for a 2005 Infiniti G35?

OBDII code P1574 indicates a problem with the ASCD (Automatic Speed Control Device) Vehicle Speed Sensor, which affects the vehicle's cruise control system.

What are common symptoms of code P1574 in a 2005 Infiniti G35?

Common symptoms include the cruise control not functioning, erratic speedometer readings, and the check engine light being illuminated.

What could cause the P1574 code to trigger in a 2005 Infiniti G35?

Causes may include a faulty vehicle speed sensor, wiring issues, a malfunctioning cruise control module, or problems with the vehicleâ€™s ECM.

How can I diagnose the issue related to code P1574?

To diagnose the issue, check the vehicle speed sensor for proper operation, inspect wiring and connectors for damage, and test the cruise control system for faults.

What are potential repairs for a P1574 code in a 2005 Infiniti G35?

Potential repairs include replacing a faulty vehicle speed sensor, repairing damaged wiring or connectors, or reprogramming or replacing the cruise control module.

Can I drive my 2005 Infiniti G35 with a P1574 code?

While you can drive the vehicle, cruise control will not function, and it is advisable to address the issue to avoid further complications.

How much does it typically cost to fix a P1574 code in a 2005 Infiniti G35?

Repair costs can vary widely but typically range from $100 to $500, depending on whether it involves sensor replacement or more extensive electrical repairs.

Is the P1574 code a serious issue that needs immediate attention?

While it may not be critical for immediate drivability, it should be addressed promptly to ensure proper functioning of the cruise control system and to prevent potential safety issues.

Will clearing the P1574 code fix the underlying problem?

No, clearing the code will not fix the underlying issue. It may temporarily turn off the check engine light, but the problem will likely return if not properly addressed.