P1574 2005 INFINITI G35 – ASCD Vehicle Speed Sensor

P1574 2005 INFINITI G35 Possible Symptoms

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

P1574 2005 INFINITI G35 Possible 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

P1574 2005 INFINITI G35 Description

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.