DI family
DI_a163_shiftMotorSpeed
Cannot shift gears - Vehicle speed is too high
What does the DI_a163_shiftMotorSpeed alert mean?
The drive interface (DI) electronic control unit (ECU) receives a shift request from Drive to Reverse or Reverse to Drive but denies it because the vehicle speed is too high.
What you'll see in your Tesla
- Cannot shift gears - Vehicle speed is too high
- Reduce vehicle speed and try again
What triggers it
There is a shift request from D to R (or vice versa) while the vehicle speed is above the alert threshold.
When it clears
The vehicle speed drops below the alert threshold.
Potential impact
The shift request is denied.
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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