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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 6) >> Engine (ECM) >> P1574 ASCD Vehicle Speed Sensor >> DTC Description >> VR30DDTT engine >> Notes
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VR30DDTT engine: Notes

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

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