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Home >> Mazda >> 2016 >> 3 Sport, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> On-Board Diagnostics - Transmission Control System >> DTC P0500-00: Vehicle Speed Signal Circuit Malfunction >> Notes
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DTC P0500-00: Vehicle Speed Signal Circuit Malfunction: Notes

DTC P0500:00 Vehicle speed signal circuit malfunction
DETECTION CONDITION 
  • Under the following conditions, the vehicle speed signal input from DSC HU/CM is incorrect:
    • Engine is running.
    • The vehicle is driven in D position or R position.
    • Output shaft speed sensor related DTC is not recorded
    • There is correlation between output shaft speed sensor speed and turbine/input shaft speed sensor speed.

    Diagnostic support note 

  • The check engine light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
  • The automatic transaxle warning light does not illuminate.
  • PENDING CODE is available.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION 
  • Inhibits learning control.
  • Inhibits neutral idle control.
  • Inhibits AAS.
POSSIBLE CAUSE 
  • DSC HU/CM DTC is stored.
    • ABS wheel-speed sensor malfunction
SYSTEM WIRING DIAGRAM  Not applicable