THC_w0114_coolantHeaterOpenShort

The thermal controller (THC) has detected via a DCDC converter signal that the battery heater circuit is open or shorted or there is a battery heater hardline fault.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The battery heater will be unable to regulate temperature. Charging may not operate as expected.

Description

The thermal controller (THC) has detected via a DCDC converter signal that the battery heater circuit is open or shorted or there is a battery heater hardline fault.

Cause

The DCDC converter signals that the battery heater circuit is open or shorted or there is a battery heater hardline fault.

Clear condition

The DCDC converter no longer detects the battery heater circuit is open or shorted or there is a battery heater hardline fault.

Models

Model S 2012-2020, Model X 2015-2020

Visibility

service-fix

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