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DTC P1783:00: Notes

DTC P1783:00 ATF high oil temperature malfunction
DETECTION CONDITION 
  • Under the following conditions, ATF temperature is 149.5°C {301.1°F} or more
    • TFT sensor related DTC is not recorded
    • TFT sensor voltage is 0.12 V or more

    Diagnostic support note 

  • The check engine light does not illuminate.
  • The automatic transaxle warning light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
  • PENDING CODE is not available.
  • FREEZE FRAME DATA is not available.
  • The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION 
  • Inhibits feedback control
POSSIBLE CAUSE 
  • High engine load drive (Driving a steep gradient at a low speed.)
  • Deteriorated ATF
  • Insufficient or excess level of ATF
  • TCM malfunction
SYSTEM WIRING DIAGRAM  -