This alert is reported by the STMDriver_TC3x (STMD) component when the System timer (STM) plausibility check fails due to an intolerable time difference between the DMA and STM timestamps.
<0.01% (Extremely rare)
None displayed
EPAS full loss of assist.
This alert is reported by the STMDriver_TC3x (STMD) component when the System timer (STM) plausibility check fails due to an intolerable time difference between the DMA and STM timestamps.
EPAS microcontroller detected out of sync timers (system timer vs DMA) at startup.
Perform EPAS ECU power cycle.
Model Y, Model Y 2025+
service-fix
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