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Home >> Infiniti >> 2011 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Transfer Case (ATX90A)) >> DTC/Circuit Diagnosis >> DTC P1807: Out Put Shaft Speed Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

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DTC DETECTION LOGIC

DTC Display item Malfunction detected condition Possible cause
P1807 VHCL SPEED SEN-AT
  • Malfunction is detected in output speed signal that is output from TCM through CAN communication.
  • Improper signal is input while driving.
  • Harness or connector (CAN communication line)
  • TCM
    • Internal malfunction of TCM
    • Output speed signal error
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