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Home >> Mazda >> 2014 >> 5 Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic - Automatic Transaxle >> DTC P0777:00 >> Notes

DTC P0777:00: Notes

DTC P0777:00 Pressure control solenoid B stuck on
DETECTION CONDITION 
  • Under the following conditions, intermediate shaft and output shaft rotation ratio is 1.11 or more
    • Gear position is 5GR
    • Accelerator pedal position is 3.87% or more

    Diagnostic support note 

  • The check engine light illuminates if the TCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the TCM.
  • 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.
  • The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION 
  • Inhibits 5GR
  • Maximizes line pressure
  • Inhibits feedback control
POSSIBLE CAUSE 
  • Deteriorated ATF
  • ATF level low
  • Pressure control solenoid B malfunction
  • Line pressure malfunction
  • Secondary control valve body malfunction
  • TCM malfunction
SYSTEM WIRING DIAGRAM  -