Power-up arbitation between primary and secondary ECU failed.
<0.01% (Extremely rare)
None displayed
Reduced steering assist and EAC inhibited
Power-up arbitation between primary and secondary ECU failed.
Master and Slave ECUs INIT Arbitration Failed
Clear fault and power cycle
Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
service
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