After a navigation fail message the display did a reboot and got stuck. From there on it continiously started to reboot. Went to dealer, they dit a software check and told me the top screen (DCU) was dead.
Since it still started (in a reboot loop), the 360 camera as wel as the sound / heating did work I was sceptic about that conclusion. The repair would cost me € 3218,- exc. VAT!!! As crazy that price was I went out for a second hand on the internet and fixed a screen les than 15% of the price.
When I installed the screen I got the "ID mark secure" message (because dealer should have to reinstall the software for exactly my car). In the top screen is a SD card (not the nav sd card) so I thought let's give it a try and put the old DCU back with the SD card from the second hand DCU I Just bought. And surprise: my old DCU works totally fine with the other SD card . My conclusion is the DCU is not faulty but the software on the SD card! People with this error shouldn't get a New DCU and huge bill but a free new SD for the DCU as I think! @Infiniti fix your stuff!
Q50 S 2014, 2.2 diesel.
Add: after the new installation I got the service message for oil etc. (Re)setting in the regular maintenance menu didn't work: I had to go to reset to factory settings in the "secret menu" and after that problem was solved.
Негізгі бет Спорт Infiniti q50 top display (DCU) failure and solution (2014 2.2 diesel, Europe)
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