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Daryl, Nissan Technician
Category: Nissan
Satisfied Customers: 12547
Experience:  27 years experience as auto tech
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What is trouble code 2003 Altima P1574

Resolved Question:

what is trouble code 2003 Altima P1574
Submitted: 6 years ago.
Category: Nissan
Expert:  Daryl replied 6 years ago.


The transmission speed sensor is often the cause of this code but much testing would need to be done to be sure.


P1574 ASCD Vehicle Speed Sensor Signal Malfunction


Possible causes:


CAN communication connector is damaged (check pins for damage)

CAN communication line is open, shorted to voltage or to ground

Combination Meter VSS circuit is open or shorted to ground

Combination Meter has failed

Vehicle Speed sensor has failed


Customer: replied 6 years ago.
where is the transmission speed sensor located?
Expert:  Daryl replied 6 years ago.

Pic below, its not a real good pic but its better than I can describe it. It is called a vehicle speed sensor in the pic, in the bottom middle pic.





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