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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 P0743-00: TCC Control Solenoid Circuit Malfunction >> Notes
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DTC P0743-00: TCC Control Solenoid Circuit Malfunction: Notes

DTC P0743:00 TCC control solenoid circuit malfunction
DETECTION CONDITION 
  • Under the following condition, the TCM detects the TCC control solenoid circuit malfunction:
    • Battery voltage is 10.5 V or more  .

    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 illuminates if the TCM detects the above malfunction condition during the first drive cycle.
  • PENDING CODE is available.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION 
  • Set to emergency mode.
  • Inhibits learning control.
  • Inhibits manual mode.
  • Inhibits neutral idle control.
  • Inhibits AAS.
POSSIBLE CAUSE 
  • Short or open circuit in TCC control solenoid circuit
  • TCC control solenoid malfunction
SYSTEM WIRING DIAGRAM  Not applicable