P0A0FKrytyczny
System napędowy EV — usterka izolacji HV
Układ napędowy
Sprawdź szczegóły →P0A0A
KrytycznyHigh Voltage Safety Interlock Circuit Open
OBD-II (EN): High Voltage System Interlock Circuit
Code P0A0A indicates an open HV safety interlock circuit. The vehicle will not start the electric motor. Most common: incorrectly installed Service Disconnect or damaged HV connector. Requires service with HV qualifications.
Symptoms
No READY status, electric motor does not start, HV warning light, 'Hybrid system malfunction' message
Possible causes
Open HV interlock circuit (HV connector disconnected or damaged), damaged interlock loop in HV cable, service disconnect removed or incorrectly installed, moisture in HV connector
Affected systems
Napęd EV/HEVWysokie napięcie (HV)Systemy bezpieczeństwa
Related codes
P0ABAŚredni
Przerwa w obwodzie blokady systemu 14V
Układ napędowy
Sprawdź szczegóły →Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Tags and synonyms
Does code P0A0A 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.