Hybspec

P0AFA

Średni

14V Power Module — Voltage Low

OBD-II (EN): Hybrid Battery Voltage Low

Code P0AFA indicates low voltage in the 14V circuit. Causes: worn 12V battery, faulty DC/DC converter. Check voltage with READY on — should be 13.5-14.5V.

Symptoms

Dim dashboard lights, slow power window operation, starting problems (hybrid), battery warning

Possible causes

Faulty DC/DC converter (not supplying 14V), worn 12V battery, excessive 12V circuit load, corroded battery terminals

Affected systems

Napęd EV/HEVPrzetwornica DC/DCInstalacja 12V

Related codes

Does code P0AFA require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.