luisejones37
Renault Zoe keyless entry issue
Summary of the thread
A 2018 Renault Zoe owner is experiencing issues with the keyless entry system, receiving a 'key battery low' warning, and inconsistent locking and unlocking. The primary suspected cause is a dead key fob battery. The suggested solution is to replace the battery first, and if the problem persists, seek professional diagnostics to rule out other potential issues with the key fob or vehicle's receiver.
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4 comment(s)
luisejones37 (community.author)
Thanks for the reply! I haven't checked the voltage of the battery itself yet. Is there a specific voltage I should be looking for? And if the voltage seems okay, what would you suggest checking next before I just swap the battery?
dirk_peters9
While checking the voltage is a reasonable step, interpreting the results requires specialist knowledge. Given the error message and the failure of the keyless entry, replacing the battery is a logical first step. However, if the problem persists after replacing the battery, it is recommended to consult a qualified technician for further diagnostics. The cost of replacing the key might exceed the expense of professional diagnosis.
luisejones37 (community.author)
Right, makes sense. I'll swap out the battery and see if that does the trick. If not, I'll book it in with a mechanic. Thanks for the advice!
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RENAULT
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ZOE
dirk_peters9
The symptoms you describe do indeed point to a potential issue with the key fob's battery. However, while a low battery is the most probable cause, there remains a degree of uncertainty without formal diagnostics. Other potential, albeit less likely, causes could include a fault within the key fob itself or, in rare circumstances, an issue with the vehicle's receiver. Have you checked the voltage of the battery?