DI family
DI_a182_frontMotorMode
Rear motor disabled
What does the DI_a182_frontMotorMode alert mean?
The drive interface (DI) electronic control unit (ECU) is only sending torque to the front drive inverter (DIF) ECU.
What you'll see in your Tesla
- Rear motor disabled
- Power reduced - Drive with caution
What triggers it
The DI ECU detects a condition affecting the rear drive unit, and only sends power to the front drive unit.
When it clears
The DI ECU detects that the condition clears.
Potential impact
Torque and power are only being produced from the front drive unit.
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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