EPASTS_a152_exchFlashEccException

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a single-bit or multi-bit (all 1 and all 0) error in the pflash. This diagnostic is the handling of the exception thrown by the PFlash ECC when it encountered a multi-bit Flash fault.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS reset.

Description

This alert is reported by the ExceptionHandler_TC3x (EXCH) component when there is a single-bit or multi-bit (all 1 and all 0) error in the pflash. This diagnostic is the handling of the exception thrown by the PFlash ECC when it encountered a multi-bit Flash fault.

Cause

When PFlash ECC encountered a multi-bit Flash fault. EPAS application component ExceptionHandler detected unrecoverable memory failure (PFlash ECC fault).

Clear condition

Perform EPAS Software update. Replace HW if the alert persists.

Models

Model Y, Model Y 2025+

Visibility

service-fix

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.