One or more of the messages the vehicle controller receives periodically from the rear drive inverter (DIR) electronic control unit (ECU) is not received, indicating the DIR ECU may be unavailable (MIA).
<0.01% (Extremely rare)
None displayed
Vehicle speed and power may be limited.
One or more of the messages the vehicle controller receives periodically from the rear drive inverter (DIR) electronic control unit (ECU) is not received, indicating the DIR ECU may be unavailable (MIA).
One or more of the expected messages from the DIR ECU is not received.
The vehicle controller starts receiving the expected messages from the DIR ECU.
Semitruck
service
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