If the light appears while driving it may indicate faulty wiring or a broken fan belt.
2008 prius master warning light.
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The front passenger s seat belt also needs to be fastened to make the warning light warning buzzer turn off.
Stop the vehicle immediately and seek professional help.
The battery ecu has a self diagnosis system.
2008 prius red exclamation mark vsc and check engine light.
It is important to check your vehicle before operating it to try and determine the cause of the master warning light.
Typically the codes that come up after a diagnostic are p0a80 and p3000.
The master warning light is usually accompanied by another warning light and indicates that one or more warning systems have been detected.
Master warning light singlelinearray 7 a buzzer sounds and the warning light flashes to indicate that the master warning system has detected a malfunction.
If the computer high voltage hv battery system or the components are not working properly the ecu carries out a diagnosis to detect the malfunction and illuminates the master warning light in the combination meter together with the hv system warning indicator on the multi information.
The p300 code refers to the prius battery control system.
Charging system warning light.
The master warning light ranges in its levels of significance and severity.