DI_a021_packOvervoltage

The drive interface (DI) electronic control unit (ECU) detects that the high voltage (HV) battery pack is over voltage enough to temporarily disable regenerative braking.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The DI ECU may disable regenerative braking.

Description

The drive interface (DI) electronic control unit (ECU) detects that the high voltage (HV) battery pack is over voltage enough to temporarily disable regenerative braking.

Cause

The DI ECU detects that the HV battery pack voltage is significantly over the max bus voltage while the vehicle is in Drive or Reverse.

Clear condition

Clears on the next drive cycle.

Models

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

Visibility

service

Want to track your firmware alerts, trips and more?

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