selina_weiss82

Avalon electrical issues

I've got a 2015 Toyota Avalon with a gasoline engine that's giving me some grief. It's got about 174000 km on it. Lately, it's been slow to start, and I'm seeing some weird electrical issues – lights flickering, various systems acting up. Seems like the battery is weak when starting. Anyone else experienced something similar? I am getting undervoltage detected.

A 2015 Toyota Avalon was experiencing slow starts and electrical issues, such as flickering lights and system malfunctions, with an undervoltage warning. The initial suspicion was a weak battery or alternator problems. After further investigation, the issue was identified as a heavily discharged battery, which was replaced, resolving the electrical problems.

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4 comment(s)

Whoa, that sounds rough! Electrical gremlins are the worst. Is your battery old? Maybe get it tested, or check your alternator?

Battery's only a couple of years old, so I wouldn't expect it to be the issue. Where do I even begin checking the alternator? What am I looking for exactly?

Okay, good battery. Yeah, alternator is trickier. If you're not super comfortable with cars, I'd take it to a shop. Undervoltage problems like that can fry stuff!

Thanks for the advice. Turns out it was a heavily discharged battery. I replaced it, and it cost me 290€. Everything seems to be running smoothly now!

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TOYOTA

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AVALON