The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).
<0.01% (Extremely rare)
None displayed
The DI ECU is unable to determine the state of the PTC heater.
The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).
The DI ECU does not receive the expected CAN messages from the PTC heater.
The DI ECU receives the expected can messages from the PTC heater.
Model 3 2017-2023, Model Y
service-fix
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