MyTeslaMate
VCFRONT family

VCFRONT_a126_thmlFanICWarning

Not Available

What does the VCFRONT_a126_thmlFanICWarning alert mean?

The integrated circuit (IC) in the front vehicle controller (VCFRONT) reports a condition affecting thermal fan functionality. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.

What you'll see in your Tesla

  • Not Available

What triggers it

The front vehicle controller (VCFRONT) integrated circuit (IC) detects and reports a condition that may affect thermal fan functionality.

When it clears

The front vehicle controller (VCFRONT) integrated circuit (IC) no longer detects and reports a condition that may affect thermal fan functionality.

Potential impact

The thermal fan may not function as expected. Cabin HVAC / climate control cooling (air conditioning) and powertrain performance may be limited.

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y Model Y 2025+

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.