AutoCodes – Nissan – P1574 2009 Nissan Sentra

P1574 2009 Nissan Sentra 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 2009 Nissan Sentra 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,040

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
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1574 2009 Nissan Sentra 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 2009 Nissan Sentra - ASCD Vehicle Speed Sensor - AutoCodes.com — P1574 2009 Nissan Sentra Code - ASCD Vehicle Speed Sensor

What does this mean?

What are the Possible Causes of the DTC P1574 2009 Nissan Sentra?

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

How to Fix the DTC P1574 2009 Nissan Sentra?

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 P1574 2009 Nissan Sentra 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 2009 Nissan Sentra code?

Need more information on how to fix the P1574 2009 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1574 2009 Nissan Sentra 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 P1574 2009 Nissan Sentra Code

What does the OBDII code P1574 mean for a 2009 Nissan Sentra?

P1574 indicates a problem with the ASCD (Automatic Speed Control Device) vehicle speed sensor, which is responsible for monitoring vehicle speed for the cruise control system.

What are the common symptoms of a P1574 code in a 2009 Nissan Sentra?

Common symptoms include cruise control malfunction, erratic speedometer readings, and in some cases, the check engine light may illuminate.

What could cause the P1574 code to trigger?

Causes can include a faulty vehicle speed sensor, damaged wiring or connectors, issues with the cruise control module, or problems within the engine control unit (ECU).

How can I diagnose the P1574 code effectively?

Start by using an OBDII scanner to confirm the code. Then, inspect the vehicle speed sensor and its wiring for damage, clean any corroded connections, and check for other related trouble codes.

What are some common repair solutions for the P1574 code?

Repair solutions may include replacing the vehicle speed sensor, repairing or replacing damaged wiring or connectors, or reprogramming/updating the ECU if necessary.

Can I drive my 2009 Nissan Sentra with a P1574 code?

While it is possible to drive the vehicle, it is not advisable as it may affect cruise control functionality and could lead to further issues if left unaddressed.

How much does it typically cost to fix the P1574 code?

Repair costs can vary widely, but replacing a speed sensor may range from $100 to $300, depending on labor rates and parts prices.

Is there a way to reset the P1574 code?

Yes, you can reset the code using an OBDII scanner. However, itâ€™s important to resolve the underlying issue to prevent the code from reappearing.

What should I do if the P1574 code keeps returning?

If the code persists after repairs, further diagnostic testing may be necessary to check for other underlying issues, such as ECU problems or intermittent wiring faults.