Czujnik temperatury silnika elektrycznego/generatora A — usterka obwodu
P0A78
WysokiMotor/Generator A — Excessive Current Draw
OBD-II (EN): Hybrid Motor/Generator A - Excessive Current Draw
Code P0A78 signals excessive current draw by the electric motor. It may indicate a short circuit in the winding, a faulty inverter, or mechanical locking. Immediate diagnosis is required.
Symptoms
Sudden shutdown of electric drive, warning light, torque limitation
Possible causes
Short circuit in electric motor winding, faulty inverter (IGBT), mechanical motor lock, resolver position sensor problem
Affected systems
Related codes
Silnik/generator A — nadmierna temperatura
Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Tags and synonyms
Does code P0A78 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.
