VCFRONT_a359_postPORExcessiveAh

After a vehicle power-on-reset (POR), the vehicle controller detects the low voltage (LV) battery has consumed too many Amp hours (Ah) during its initial charge, indicating the LV battery was deeply discharged prior to the power-on-reset.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The LV battery may be unable to hold adequate electrical charge to remain functional. Replacement may be necessary, with a separate alert present to indicate that condition if applicable.

Description

After a vehicle power-on-reset (POR), the vehicle controller detects the low voltage (LV) battery has consumed too many Amp hours (Ah) during its initial charge, indicating the LV battery was deeply discharged prior to the power-on-reset.

Cause

The vehicle controller detects the Amp hour (Ah) count going into the low voltage (LV) battery while recharging exceeded its limit.

Clear condition

Next LV battery charging session.

Models

Model 3 2017-2023, Model 3 2024+, Model Y, Model Y 2025+

Visibility

service

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