EPASTS family
EPASTS_a086_rsthRamUncorrEcc
Not Available
What does the EPASTS_a086_rsthRamUncorrEcc alert mean?
This alert is reported by the HwResetHandler_TC3x (RSTH) component when the RAM ECC check failed. This diagnostic is the handling of the exception thrown by the RAM ECC modules, when it encountered a multibit RAM fault.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS RAM ECC module detected multibit RAM fault.
When it clears
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Potential impact
EPAS reset
Affected models
Model Y
Model Y 2025+
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