DTC P1783-00: Automatic Transaxle Protection Control (TCM): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC P1783:00 (TCM, ET6A-EL, ET6AX-EL, US) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Automatic transaxle protection control
Detection condition	Under the following conditions, the ATF temperature is 132°C {270°F} or more: Engine is running. TFT sensor related DTC is not recorded.
Fail-safe	Inhibits manual mode.
Possible cause	If ATF temperature is specification or more, automatic transaxle goes into system protection condition
System wiring diagram	Not applicable
Connector diagram	Not applicable