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Aug 24th, 2023
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Joined: Apr 2008
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Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
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Posts: 11,861 Likes: 137 |
I'm not sure about the battery disconnection idea, as SpannerJuggler pointed out on another thread, for quite a few years now ECUs have stored their fault codes on EEPROMs (like Flash Memory) which don't require a poser supply to preserve their contents.
Plugging in a code reader to find out what the problem is is the only real option, but as the car's under warranty, then this is probably best done by the dealer.
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Apr 2014
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Talk Morgan Addict
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Talk Morgan Addict
Joined: Apr 2014
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Depends on the ECU as to how it behaves on a battery off.
As for the codes if you have a hard fault it'll be back.
Could be a multitude of causes.
If under warranty why drive in this condition just ask your dealer to collect it, if you conked out in a dangerous place you'd regret it.
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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