norbertflame8

Pulsar Battery Sensor Issue

I've got a 2018 Nissan Pulsar with a gasoline engine. Recently, the battery keeps draining. I'm getting an error message in the speedometer, the lights are weak and flickering, and the error memory has a fault stored. Starting the engine is a struggle. Could a defective battery sensor be the culprit?

A 2018 Nissan Pulsar owner experienced battery drainage, weak lights, and error messages, suspecting a defective battery sensor as the cause. The symptoms were consistent with a faulty sensor, though a failing battery was also considered. After checking the battery terminals and confirming they were clean and tight, the focus remained on the sensor due to a specific error code. A workshop diagnosis confirmed the sensor was at fault, and replacing it resolved the issue.

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4 comment(s)

Sounds familiar! I've got a Pulsar too. Those symptoms are pretty classic for a dodgy battery sensor. Have you checked the battery terminals for corrosion or loose connections? That can sometimes cause similar issues before you jump to sensor replacement. Also, how old is your battery? Could just be time for a new one, even though the sensor could also be at fault.

Thanks for the reply! The terminals look clean and tight. The battery is about 3 years old, so maybe it's nearing the end of its life. But could a failing battery cause a specific error code related to the battery sensor? That's what's making me lean towards the sensor being the primary problem.

Okay, clean terminals rule that out. A three-year-old battery could be failing, but the error code definitely points more towards the sensor. Honestly, chasing electrical gremlins can be a pain. Given the sensor error, I'd say get it checked by a workshop. They can properly diagnose it and confirm if it's the sensor or something else draining the battery. Could save you money in the long run compared to just replacing parts randomly. I ended up needing a new sensor AND a battery after all sorts of weirdness!

Thanks a lot for the advice! I took it to a workshop, and you were right – it was the battery sensor. Got it replaced for 315€ and the problem is gone. I appreciate the help!

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NISSAN

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PULSAR