![]() | Home > Technical (L405) > how to open tailgate with dead battery |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 8369 ![]() ![]() ![]() |
Undo the bonnet, (hood) connect 12v battery to the jump start posts and you should be able to open the electric boot (trunk) |
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funnyguy1 Member Since: 11 Mar 2010 Location: Sun Valley, Idaho Posts: 387 ![]() ![]() |
Thanks Hay, that worked but put new battery in and still getting "low battery start engine" and "charging system fault". Battery shows 13 volts. Guess it goes to the dealer. |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 8369 ![]() ![]() ![]() |
It should sort itself out in a couple of days or get a diagnostic unit on it and tell it it has a new battery. either should clear it.... Pete
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funnyguy1 Member Since: 11 Mar 2010 Location: Sun Valley, Idaho Posts: 387 ![]() ![]() |
Will try. Thank you again! |
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Vogue Member Since: 31 Jan 2008 Location: on the hill Posts: 3756 ![]() ![]() |
My last 405 did this after a battery change - just keep driving it - the ecu will recognise the new battery in the end 2021 L405 Vogue SE 4.4 V8 DIESEL ~ #17 |
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