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Eseries key battery warning

My 2012 Ford E-Series with a gasoline engine is showing a 'Key battery low' warning. Keyless access is failing, and there's an error code. Unlocking/locking is unreliable. Could the battery really be the problem? It's only got 136037 km on the clock!

A 2012 Ford E-Series displayed a 'Key battery low' warning, causing unreliable keyless access and remote locking/unlocking. The issue was suspected to be due to a low key fob battery. Replacing the battery resolved the problem, restoring functionality and clearing the error code.

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4 comment(s)

I had something similar happen with my E-Series. Is it struggling to start the engine too, or is it just the remote functions that are failing?

No, the engine starts fine, thankfully! It's purely the keyless entry and the remote locking/unlocking that are playing up. Does this sound like your issue?

Yep, sounds exactly like what I experienced. It’s almost certainly the key fob battery. I'd recommend getting it checked at a workshop; they can replace it and clear the error code for you.

Thanks for the tip! I replaced the battery. Cost me about 37€, but everything's working perfectly again! The error code is gone too. You were spot on!

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FORD

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ESERIES