One or more of the messages the Drive Inverter Front (DIF) Electronic Control Unit (ECU) receives periodically from the Decoupled Brake Booster (BB) ECU is not received, indicating the BB ECU may be unavailable (MIA).
<0.01% (Extremely rare)
None displayed
Drive system may not function as expected.
One or more of the messages the Drive Inverter Front (DIF) Electronic Control Unit (ECU) receives periodically from the Decoupled Brake Booster (BB) ECU is not received, indicating the BB ECU may be unavailable (MIA).
One or more of the expected messages from the BB ECU is not received.
The DIF ECU starts receiving the expected messages from the BB ECU during the next drive cycle.
Model Y 2025+
service-fix
Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.