DI_a140_ptcMIA
Description
The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).
Condition
The DI ECU does not receive the expected CAN messages from the PTC heater.
Clear Condition
The DI ECU receives the expected can messages from the PTC heater.
Potential Impact
The DI ECU is unable to determine the state of the PTC heater.
Customer Facing Message 1
Not Available
Customer Facing Message 2
Not Available
Audiences
service-fix
Models
Model 3 2017-2023;Model Y