VCBATT_a243_LVOverchargeInstc

After a single discharge and recharge cycle, the low voltage (LV) battery has been overcharged by more than 5 Amp hours (Ah) compared to initial charge level. If this continues, it may indicate a condition affecting LV battery performance that makes replacement necessary. May also indicate aftermarket device(s) installed on the vehicle, whose current draw interferes with LV battery management.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

10 independent instances of this alert indicate a chronic overcharge condition that may require LV battery replacement to resolve, and at least one other alert should be present to indicate that condition.

Description

After a single discharge and recharge cycle, the low voltage (LV) battery has been overcharged by more than 5 Amp hours (Ah) compared to initial charge level. If this continues, it may indicate a condition affecting LV battery performance that makes replacement necessary. May also indicate aftermarket device(s) installed on the vehicle, whose current draw interferes with LV battery management.

Cause

Over a single charge cycle, the LV battery has recharged by more than 5Ah compared to the power initially discharged.

Clear condition

The LV battery is no longer recharging by more than 5Ah compared to the amount discharged.

Models

Model S 2021+, Model X 2021+

Visibility

service

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