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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P1574: ASCD Vehicle Speed Sensor >> DTC Description >> Notes
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DTC Description: Notes

The ECM receives two ASCD vehicle speed sensor signals via CAN communication line. One is sent from combination meter, and the other is from TCM (tramsmission control module). The ECM uses these signals for ASCD control. Refer to System Description for ASCD functions.