EPAS3P family
EPAS3P_a140_difCsError
Not Available
What does the EPAS3P_a140_difCsError alert mean?
The primary Electronic Power Assist Steering (EPAS3P) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the front drive inverter (DIF) ECU on the Party CAN bus.
What you'll see in your Tesla
- Not Available
What triggers it
The EPAS3P ECU receives invalid CAN messages from the DIF ECU on the Party CAN bus.
When it clears
The EPAS3P ECU begins receiving valid CAN 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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