THC_w0114_coolantHeaterOpenShort
Not Available
What does the THC_w0114_coolantHeaterOpenShort alert mean?
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.
What you'll see in your Tesla
- Not Available
What triggers it
The DCDC converter signals that the battery heater circuit is open or shorted or there is a battery heater hardline fault.
When it clears
The DCDC converter no longer detects the battery heater circuit is open or shorted or there is a battery heater hardline fault.
Potential impact
The battery heater will be unable to regulate temperature. Charging may not operate as expected.
Affected models
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.