UMC family
UMC_a023_adcSelfTest
Not Available
What does the UMC_a023_adcSelfTest alert mean?
UMC ADC self test: reading did not pass sanity check
What you'll see in your Tesla
- Not Available
What triggers it
UMC microcontroller analog readings fail sanity checks
When it clears
UMC microcontroller analog readings pass sanity checks
Potential impact
UMC will not operate until ADC readings pass sanity checks
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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