AutoCodes – Nissan – P1574 2012 Nissan Altima Sedan

P1574 2012 Nissan Altima Sedan 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 2012 Nissan Altima Sedan 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 12,530
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 18, 2019
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Code P1574 2012 Nissan Altima Sedan 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 2012 Nissan Altima Sedan - ASCD Vehicle Speed Sensor - AutoCodes.com
P1574 2012 Nissan Altima Sedan Code - ASCD Vehicle Speed Sensor

What are the Possible Causes of the DTC P1574 2012 Nissan Altima Sedan?

  • 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 2012 Nissan Altima Sedan?

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 2012 Nissan Altima Sedan 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 2012 Nissan Altima Sedan code?

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Need Help with the 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 2012 Nissan Altima Sedan Code

1. What does OBDII code P1574 mean for my 2012 Nissan Altima Sedan?

The P1574 code on a 2012 Nissan Altima Sedan relates to the ASCD Vehicle Speed Sensor, which is part of the Automatic Speed Control Device system.

2. What are the common symptoms of a P1574 code in a 2012 Nissan Altima Sedan?

Common symptoms of the P1574 code may include issues with the cruise control system, such as the inability to set or maintain a constant speed.

3. What are the potential causes of OBDII code P1574 in a 2012 Nissan Altima Sedan?

The P1574 code in a 2012 Nissan Altima Sedan is typically triggered by a faulty ASCD Vehicle Speed Sensor or issues with the wiring or connectors associated with the sensor.

4. How can I diagnose the ASCD Vehicle Speed Sensor issue triggering code P1574 in my 2012 Nissan Altima Sedan?

Diagnosing the ASCD Vehicle Speed Sensor problem involves checking the sensor's wiring, connectors, and signal output using a multimeter and following the manufacturer's diagnostic procedures.

5. Can I continue to drive my 2012 Nissan Altima Sedan with the P1574 code present?

While it may be possible to drive with the P1574 code present, it is recommended to address the issue promptly to avoid potential safety concerns and further damage to the vehicle's systems.

6. How can I repair the ASCD Vehicle Speed Sensor issue causing code P1574 in my 2012 Nissan Altima Sedan?

Repairing the ASCD Vehicle Speed Sensor issue may involve replacing the faulty sensor, repairing damaged wiring or connectors, and clearing the trouble code with an OBDII scanner.

7. Are there any DIY tips for fixing the ASCD Vehicle Speed Sensor problem associated with code P1574 in a 2012 Nissan Altima Sedan?

DIY enthusiasts may attempt to replace the ASCD Vehicle Speed Sensor themselves, following proper safety precautions and referring to the vehicle's service manual for guidance.

8. Can a mechanic easily fix the ASCD Vehicle Speed Sensor issue triggering code P1574 in my 2012 Nissan Altima Sedan?

A qualified mechanic should be able to diagnose and repair the ASCD Vehicle Speed Sensor problem efficiently, ensuring proper functionality of the cruise control system.

9. Will resetting the OBDII code P1574 in my 2012 Nissan Altima Sedan resolve the issue permanently?

Resetting the P1574 code may clear the immediate warning, but if the underlying issue with the ASCD Vehicle Speed Sensor is not addressed, the code is likely to reappear.

10. Is it necessary to have the ASCD Vehicle Speed Sensor replaced if it triggers code P1574 in my 2012 Nissan Altima Sedan?

If diagnostics confirm that the ASCD Vehicle Speed Sensor is faulty and causing the P1574 code in a 2012 Nissan Altima Sedan, replacing the sensor is typically the recommended course of action to resolve the issue effectively.

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