VCBATT_a244_sleepBypassFault

The vehicle battery controller (VCBATT) detects a condition affecting the Sleep Bypass Buck Converter circuit, preventing the vehicle from sleeping.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The vehicle is unable to sleep and will consume more energy when idle, possibly becoming unresponsive / not waking as expected.

Description

The vehicle battery controller (VCBATT) detects a condition affecting the Sleep Bypass Buck Converter circuit, preventing the vehicle from sleeping.

Cause

The output voltage measured by the VCBATT from the Sleep Bypass Buck Converter is too low to support loads during vehicle sleep.

Clear condition

The output voltage measured by the VCBATT from the Sleep Bypass Buck Converter is within the expected operational voltage range.

Models

Model S 2021+, Model X 2021+

Visibility

service-fix

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