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DTC P1574: Automatic Speed Control Device (ASCD) Vehicle Speed Sensor: Notes

WARNING: This page is about a different car, the 2003 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: ICC is an option on this vehicle. If vehicle is so equipped, see DTC P1574: INTELLIGENT CRUISE CONTROL (ICC) VEHICLE SPEED SENSOR  .
NOTE: If DTC U1000 or U1001 is also displayed, perform diagnosis for those DTC first. See DTC U1000: CAN COMMUNICATION LINE OR DTC U1001: CAN COMMUNICATION LINE  . If DTC P0500 is also displayed, perform diagnosis for that DTC first. See DTC P0500  . If DTC P0605 is also displayed, perform diagnosis for that DTC first. See DTC P0605: ENGINE CONTROL MODULE  .
NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM.