The secondary Electric Power Assist Steering (EPAS3S) electronic control unit (ECU) is not receiving the expected messages from the front drive inverter (DIF) ECU on the Chassis controller area network (CAN) bus.
<0.01% (Extremely rare)
None displayed
Steering assist may be reduced or may not function as expected.
The secondary Electric Power Assist Steering (EPAS3S) electronic control unit (ECU) is not receiving the expected messages from the front drive inverter (DIF) ECU on the Chassis controller area network (CAN) bus.
The EPAS3S ECU does not receive the expected messages from the DIF ECU on the Chassis CAN bus.
The EPAS3S ECU begins receiving the expected messages from the DIF ECU on the Chassis CAN bus.
Model S 2021+, Model X 2021+
service
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