Silnik/generator A — nadmierna temperatura
P0A9C
WysokiHybrid Regeneration System Overheating
OBD-II (EN): Hybrid Assist Battery Overheating
Code P0A9C indicates overheating of the regenerative braking system. The vehicle limits energy recovery, increasing braking distance. Check the inverter and electric motor cooling system.
Symptoms
Limited regenerative braking, longer braking distance, dashboard warning
Possible causes
Intense regenerative braking (long descent), inverter cooling failure, electric motor/generator overheating, temperature sensor fault
Affected systems
Related codes
Czujnik temp. chłodzenia elektroniki silnika elektrycznego — usterka obwodu
Czujnik temp. chłodzenia elektroniki — sygnał wysoki (przegrzanie)
Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Tags and synonyms
Does code P0A9C 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.
