Silnik/generator A — nadmierna temperatura
P0A03
ŚredniElectronics Cooling Temperature Sensor High Signal (Overheating)
OBD-II (EN): Electronic Control Unit Temperature Sensor High (Overheating)
Code P0A03 means a too high signal from the drive electronics cooling temperature sensor. It may indicate inverter overheating or cooling pump failure. Requires professional diagnosis.
Symptoms
Power limitation, forced economy mode, temperature warning on the dashboard
Possible causes
Inverter overheating, electronics cooling pump failure, clogged cooling circuit radiator, faulty sensor (signal shorted to power)
Affected systems
Related codes
Czujnik temp. chłodzenia elektroniki silnika elektrycznego — usterka obwodu
Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Tags and synonyms
Does code P0A03 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.
