UMC family
UMC_a013_SA_Temperature
Wall plug adapter error - Charge rate reduced
What does the UMC_a013_SA_Temperature alert mean?
Timeout while UMC attempted to read smart adapter temperature
What you'll see in your Tesla
- Wall plug adapter error - Charge rate reduced
- Plug adapter fully into Mobile Connector and retry
What triggers it
UMC was unable to read smart adapter temperature after several retries
When it clears
UMC succesfully reads smart adapter temperature
Potential impact
UMC will only report 8 A charge current capability until the smart adapter temperature can be determined
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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