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Hardtop controller failed no roof and no boot open

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Tue Jul 05, 2022 9:08 am

Hi All

Got this error message Hardtop controller failure

Hardtop lights on switches do not work
Boot will not open with key or with the latch on the boot

Image

Any advice appreciated
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F78D912B-5C4F-4DC6-9B74-C5269DA258BA.jpeg
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birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Tue Jul 05, 2022 11:00 am

Few just been back to the car and it seems to have reset itself no error warning, roof and boot now working

flybobbie
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Hardtop controller failed no roof and no boot open

Post by flybobbie » Tue Jul 05, 2022 11:48 am

Couple of things check battery age and check for any water rear right of boot under trim.

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Tue Jul 05, 2022 1:33 pm

flybobbie wrote: Tue Jul 05, 2022 11:48 am Couple of things check battery age and check for any water rear right of boot under trim.
Thanks flybobbie will do

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Deepseaskateboard
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Hardtop controller failed no roof and no boot open

Post by Deepseaskateboard » Tue Jul 05, 2022 9:46 pm

birdy_z4 wrote: Tue Jul 05, 2022 11:00 am Few just been back to the car and it seems to have reset itself no error warning, roof and boot now working
Microswitches can be intermittent. Plenty of knowledge on here and not too expensive if just a switch(es) replacement.

You might find the fault kicks in again, but see how it goes.

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 1:34 pm

Arghhhh, this had happened again today .....

Any way to trigger the boot release with ISTA D on INPA?

matsmith749
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Hardtop controller failed no roof and no boot open

Post by matsmith749 » Thu Apr 13, 2023 1:42 pm

Remote trigger - not that I have seen TBH.

Did you check your battery? Last changed date & milage are recorded in your ECU.
From Jan 2023 2016 e89 Z4 35is / mineral white / coral red interior / all the extras
SOLD 2010 e89 Z4 35is / space grey / coral red interior / all the extras
SOLD 2007 e85 Z4 3.0 si sport / midnight blue / champagne interior

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 1:55 pm

yes new battery fitted not long ago

matsmith749
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Hardtop controller failed no roof and no boot open

Post by matsmith749 » Thu Apr 13, 2023 1:58 pm

What codes are being thrown?
From Jan 2023 2016 e89 Z4 35is / mineral white / coral red interior / all the extras
SOLD 2010 e89 Z4 35is / space grey / coral red interior / all the extras
SOLD 2007 e85 Z4 3.0 si sport / midnight blue / champagne interior

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 2:21 pm

yes next step after work

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 3:12 pm

So just checked and ista d cannot connect to roof module and boot lock is not opening with boot partially open
IMG_1389.jpeg
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How can I get the boot open if I cannot access the roof module?

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 4:04 pm

looking at this thread it appears i may have to try this

viewtopic.php?p=1967769&hilit=boot+open#p1967769

pin12 and power ....

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Hardtop controller failed no roof and no boot open

Post by AnubisZed » Thu Apr 13, 2023 4:20 pm

I could have pointed you to my How-To post, but someone deemed fit to remove it! :?
Dave
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birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 4:47 pm

AnubisZed wrote: Thu Apr 13, 2023 4:20 pm I could have pointed you to my How-To post, but someone deemed fit to remove it! :?
appreciate any pointers please Dave :D

birdy_z4
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Hardtop controller failed no roof and no boot open

Post by birdy_z4 » Thu Apr 13, 2023 6:46 pm

Ok so used the FRM pin 12 and blue fuse which worked a treat.opened the boot

Wires checked and all now working :D

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