AGM Battery Change Procedure

The section for all Megane III talk.

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Posts: 1
Joined: Mon Mar 25, 2019 7:36 pm
Currently Drives:: Megane 1.6 DCI gt-line estate 2012

AGM Battery Change Procedure

Postby tony2506 » Mon Mar 25, 2019 7:59 pm

My megane is the 1.6dci gt-line with stop start 2012 with 120,000 miles. The original battery was starting to fade and I got the battery low start engine message on the dash display. Purchased a direct like for like AGM replacement from Halfords and fitted it no problem. However I now have an orange warning on the dash saying CHECK VEHICLE followed by CHECK STOP & START. Needless to say the stop start is not active and the red light remains on the disable stop start switch. I guess I've been a bit of a dummy here and not followed a correct procedure. Everything else is working fine. Can anyone advise best course of rectification? I understand the software probably needs to be linked to the new battery but how? Many thanks Tony.

Posts: 3
Joined: Wed Jul 31, 2019 9:06 pm
Currently Drives:: Megane 3 grandtour 1.5 dci

Re: AGM Battery Change Procedureis

Postby Freddysparkle » Thu Aug 15, 2019 6:43 pm

i have just done the same thing with the same result and from what i can understand the ecu needs to be told that the battery is new/ok and the stop/start reactivated. iv tried a off the shelf machine with no luck and i have been told a garage with renault diag software will sort it.

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