DI_a086_dpbMIA
DI_a086_dpbMIA
Alert Information
Category
Drive Unit
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
One or more of the messages the Drive Inverter (DI) Electronic Control Unit (ECU) receives periodically from the Decoupled Power Brake (DPB) ECU is not received, indicating the DPB ECU may be unavailable (MIA).
Potential Impact
There is no communication between the DPB and DI ECUs. This may impact traction and vehicle dynamics control performance. The vehicle should be driven with extreme caution if the traction or vehicle dynamics control systems are faulted.
Set Condition
One or more of the expected messages from the DPB ECU is not received.
Clear Condition
The DI ECU starts receiving the expected messages from the DPB ECU during the next drive cycle.