2007 Renault Megane 2.0 l Charged battery and no electrics working

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Steve
Fixes: 2
Problem added: Apr 22, 2020 (3 months ago)
A few warning lights on and it would not start. Checked manual and suggested flat battery. I disconnected the battery and charged it. Upon reconnecting nothing at all is working. No power at all.

Car details
Car: Renault Megane
Variant: 2.0 l
Model Year: 2007
Category: Electrics, ECU, Warnings & Lights

Recalls: Renault Megane Recalls
More: Renault Megane Problems
Parts mentioned in this problem
Replies and fixes
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whittingehame
Fixes: 12,509
Apr 25, 2020 (3 months ago)
Should not have ignored the warning lights . Checked battery voltage after charging ? Check battery terminals and earths . If you get it running and warning lights on , scan it for codes .
Avatar
Steve
Fixes: 2
Apr 26, 2020 (3 months ago)
I didn't ignore the warning lights, they all came up at once along with it not starting. Upon checking the manual the only suggestion was the battery so I charged it and thereafter there was zilch, Nothing at all alive.

I had not done so before writing this but decided to check the battery with a multimeter and it read 0.3 volts so that was the problem. I had a new battery fitted yesterday and it is fine. Now I just need to get the radio code to get it working again.

Thanks very much for your response.
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whittingehame
Fixes: 12,509
Apr 26, 2020 (3 months ago)
This should help with the radio code ,

https://keycardservices.co.uk/radio-codes/

and then check the pre code from list .

https://github.com/Joyez/renault-radio-code-list
Avatar
Steve
Fixes: 2
Apr 27, 2020 (3 months ago)
Replying to post by whittingehame:
This should help with the radio code ,

https://keycardservices.co.uk/radio-codes/

and then check the pre code from list .

https://github.com/Joyez/renault-radio-code-list
Thanks muchly. It is public holiday here so was having to wait to get hold of Renault dealer.
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