MyTeslaMate
VCFRONT family

VCFRONT_a224_revBatChrgPmpFault

Not Available

What does the VCFRONT_a224_revBatChrgPmpFault alert mean?

The front vehicle controller (VCFRONT) has detected a condition affecting the reverse battery charge pump.

What you'll see in your Tesla

  • Not Available

What triggers it

VCFRONT detects a high drop in voltage across protection field effect transistors (FETs) is high or the charge pump voltage is low.

When it clears

VCFRONT no longer detects a condition affecting the reverse battery charge pump (high drop in voltage across FETs or low charge pump voltage).

Potential impact

The DCDC converter may not enable, resulting in no power conversion system (PCS) support for the low voltage (LV) battery and electrical system.

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.