P0561 HYUNDAI – System Voltage Unstable

 

P0561: DIY Repairing Video Tutorial

https://youtu.be/eChZbN1OrG8

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0561 HYUNDAI Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Slow engine start,Low battery power  

P0561 HYUNDAI Possible Causes

  Low battery charge,Battery defective,Loose or missing alternator drive belt,Faulty alternator,Open or short system voltage circuit  

P0561 HYUNDAI Description

  The Powertrain Control Module (PCM) measures the voltage from ignition key and from main relay respectively and compares two voltages. This comparison will watch if the Main Relay has switched and remains on after ignition Key-On and if it has switched off after the ignition Key-Off.