EPASTP_a017_stmdStmPlausibilityCheckErr
EPASTP_a017_stmdStmPlausibilityCheckErr
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
Description
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.
Potential Impact
EPAS full loss of assist.
Set Condition
EPAS microcontroller detected out of sync timers (system timer vs DMA) at startup.
Clear Condition
Perform EPAS ECU power cycle.