All power windows in my Elantra stopped working at once — what should I check?

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All power windows in my Elantra stopped working at once — what should I check?

I own a 2013 Hyundai Elantra and none of the windows are responding to the switches. Is there a master fuse o r relay that controls all power windows? Could this be a body control module issue?

Gari Specialist asked on 11 Jul 2025 12:11:33 pm

1 Answer

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Gari Master - on 11 Jul 2025 12:17:39 pm

If none of the windows are working, check these key components:

Main power window fuse: Look for a 20A o r 30A fuse labeled P/Window o r similar in the fuse box.

Power window relay: This relay may have failed, cutting power to all windows.

Window lock button: Ensure the window lock button on the driver’s door isn’t engaged.

Battery voltage: A low battery o r charging system problem can affect electronics.

Body Control Module BCM: This computer manages window operations. A fault here may require dealer diagnostics.

Start with the fuse and relay, then test the switch and battery voltage. BCM issues are less common but possible on newer models.