DI_a064_pmsrmUnitMiaWithHvDown

The drive interface (DI) electronic control unit (ECU) detects that a permanent magnet drive unit has gone missing while the high voltage (HV) system is not up.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Critical drive unit issue detected
PULL OVER IMMEDIATELY

Impact

The DI ECU cannot determine the state of a permanent magnet drive unit.

Description

The drive interface (DI) electronic control unit (ECU) detects that a permanent magnet drive unit has gone missing while the high voltage (HV) system is not up.

Cause

The DI ECU is not receiving the expected CAN communication from a permanent magnet drive unit, and considers it irrational or MIA.

Clear condition

Clears on DI power cycle.

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+, Semitruck

Visibility

customer, service

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.