EPAS3P family
EPAS3P_a138_difMia
Not Available
What does the EPAS3P_a138_difMia alert mean?
The primary Electric Power Assist Steering (EPAS3P) electronic control unit (ECU) is not receiving the expected messages from the front drive inverter (DIF) ECU on the Party controller area network (CAN) bus.
What you'll see in your Tesla
- Not Available
What triggers it
The EPAS3P ECU does not receive the expected messages from the DIF ECU on the Party CAN bus.
When it clears
The EPAS3P ECU begins receiving the expected messages from the DIF ECU on the Party CAN bus.
Potential impact
Steering assist may be reduced or may not function as expected.
Affected models
Model S 2021+
Model X 2021+
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