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VCFRONT_a224 — Rev Bat Chrg Pmp Fault

Full alert identifier: VCFRONT_a224_revBatChrgPmpFault

Alert description

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

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.

Set condition

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

Clear condition

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

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a224.

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