DI family
DI_a227_contactorsNotClosed
Please wait while high voltage system powers up
What does the DI_a227_contactorsNotClosed alert mean?
The drive interface (DI) electronic control unit (ECU) has not started the drive rail yet because the high voltage (HV) system is not yet energized for drive.
What you'll see in your Tesla
- Please wait while high voltage system powers up
- Not Available
What triggers it
The DI ECU detects that the vehicle is in Drive before the HV system is up.
When it clears
The DI ECU detects that the HV system is up.
Potential impact
The vehicle cannot enter Drive.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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