Engine-Codes - Infiniti - P1574 2003 Infiniti G35

P1574 2003 Infiniti G35 Code - ASCD Vehicle Speed Sensor

- Code Popularity: 6,124 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P1574 2003 Infiniti G35?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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

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.

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How to Fix the DTC P1574 2003 Infiniti G35?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1574 2003 Infiniti G35 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

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

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Automatic Speed Control Device (ASCD) (Cruise Control System) inoperative

What Does the P1574 2003 Infiniti G35 Code Mean?

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.

P1574 2003 Infiniti G35 Code - ASCD Vehicle Speed Sensor

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