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jamesraven2

Mini Cooper Key Battery Issue

I am experiencing a perplexing issue with my 2023 Mini Cooper. A 'key battery low' warning is persistently displayed. Consequently, the keyless access feature is now entirely non-functional. Moreover, an error is stored within the error memory, and the process of unlocking or locking the vehicle no longer functions correctly. Could the battery in the auto key be the sole cause of these multifaceted problems?

Summary of the thread

A 2023 Mini Cooper owner faced a persistent 'key battery low' warning, leading to non-functional keyless access and stored error messages. The issue was suspected to be due to a depleted key battery, affecting the remote locking mechanism. After replacing the battery, the keyless access was restored, and the error was cleared, resolving the problem.

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4 comment(s)

gert_schroeder1

Sounds like a frustrating issue. When you say keyless access isn't working, does that mean the auto key isn't recognized at all when you approach the car? Have you tried using the physical key to unlock the door as a temporary workaround?

jamesraven2 (community.author)

Indeed, I have attempted utilizing the physical key as an interim measure. In response to your query, the electronic key is not recognized upon approach. Could the low voltage situation conceivably impede the functionality of the remote locking mechanism, even with a newly installed battery?

gert_schroeder1

It definitely sounds like a dead key battery is the culprit. The low voltage could absolutely mess with the remote locking, even if you were to replace the battery yourself. I'd recommend getting it checked out at a workshop to confirm, just in case there's something else going on with the electronic key itself.

jamesraven2 (community.author)

I wish to extend my gratitude for your assistance. As suspected, the fault was indeed attributed to the depleted state of the electronic key battery. Following a battery replacement, at a cost of 37€, the keyless access functionality has been restored, and the error has been cleared from the vehicle's error memory. All systems are now operating as intended.

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MINI

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COOPER