My Toyota D4D it's show the battery while driving


My Toyota D4D it's show the battery while driving Mechanic's Assistant: Have you tested the battery with a voltmeter? And can you see if it's leaking or not? You think the battery is not working Mechanic's Assistant:<...

My Toyota D4D it's show the battery while driving Mechanic's Assistant: Have you tested the battery with a voltmeter? And can you see if it's leaking or not? You think the battery is not working Mechanic's Assistant: What is the model/year of your Toyota? 2015 Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? Not my self Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? Nothing

Automotive Expert
Hi my name is\*\*\*\*\* an here to assist you Today is the Battery warning light on all the time when you are driving.
Automotive Expert
I would like more information from you but going of the information I have it would seem that the regulator in the alternator has failed you can check this with a multi meter at the Battery with the engine running you should expect around 13.7 volts if it is lower around 12v then the alternator / regulator has failed if you need anymore help just get back to me on this thread.

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