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NBox Undervoltage Issue

I'm having undervoltage issues with my 2022 Honda NBox gasoline. Poor starting, systems failing, weak lights. Battery seems weak. Anyone else experienced electrical problems with their NBox?

The conversation centers around an undervoltage issue with a 2022 Honda NBox, characterized by poor starting, failing systems, and weak lights. A possible cause suggested was a faulty voltage regulator, which can be checked by measuring the voltage at the battery terminals with the engine running. Ultimately, the problem was resolved by replacing a discharged, defective battery, eliminating the undervoltage issue.

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4 comment(s)

That sounds like an issue I had with my NBox. Labored starting, erratic system behavior, light anomalies. Turned out to be a faulty voltage regulator. Check if the voltage regulator is working right. Has the battery been load tested? What's the voltage at the battery terminals when the engine is running?

Thanks for the quick reply! Can you elaborate on testing the voltage regulator and battery? Were there any error codes when you had the issue?

To test the voltage regulator, use a multimeter to measure the voltage at the battery terminals with the engine running. It should be between 13.5 and 14.5 volts. If it's off, the regulator might be bad. My car threw a low voltage error code, so I took it to a shop. I'd suggest seeing a qualified technician for a full check.

Thanks for the help! I saw a technician, and it was a discharged, defective battery. Replaced it, and the undervoltage issue is gone. Cost 290€. Your advice helped a lot!

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HONDA

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NBOX