UMC_a022_criticalRAM

UMC microcontroller RAM failed self test.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

UMC will not operate until internal RAM self test passes

Description

UMC microcontroller RAM failed self test.

Cause

UMC microcontroller fails RAM self test

Clear condition

UMC microcontroller passes RAM self test

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

service

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