PSA NAC RCC Updates

[Zakaria]

Hello everyone , i am new to the forum and i have a problem with my nac wave 4 system , i have purchased and opel grandland ( i know it is german but it belongs to PSA group) i downloaded the african map update and inserted it into the use stick but when i want to install it it says : update _afr failed
Could anyone please help me :
My car info : Opel Grandland 2023
VIN : W0VZCYHZ8R6007021

[rui_saraiva]

@Zakaria You have an NAC_EUR_WAVE4_B0 infotainment system. It's a NAC Wave 4, but the B0 revision, WITHOUT integrated satnav. You can't install any maps on that system.

[Rjp1205]

Hi all,
I’ve been trying to update my system on a 2020 C5 aircross and experienced the same issues as many others. I contacted Citroen uk customer support regarding the issues. I did everything they suggested which was just the same as I had been doing. Ie use the Citroen update app etc and try multiple USB devices. Today’s call was to tell me that it is a problem at my end and the files are fine on the server! I tried to say about the certificate issues but they didn’t seem to understand. This has supposedly been escalated to the “technical” department too. All that is left is for me is to take it to my local dealer for them to resolve.
So I’m stuck with version 31.09.46.62_NAC-r0 for now. I will have a chat with the service dept in my dealer and see what they say. I shall report back next week after I’ve been in.

Afternoon,
Just a quick update. The service manager downloaded the files via their system and the same issue occurred like I thought it would. So he wants the car booked in so they can follow the process with Citroen UK, raising a technical issue and run full diagnostics. He assured me that he will get it sorted one way or another. I shall keep you updated.

[Dexter676]

Hello I Have question is it matter if i use pendrive 64gb or it have to be particuraly 32gb pendrive ? I'm trying update from software version 31.08.05.86_NAC-r0 to 42.03.33.42_NAC if it will not succed I got some files on mail from citroen to do it with pendrive since attempt on citroen update didnt go through...

[Ruizito1]

Hello there and thanks in advance if someone can help me.

I have a Peugeot 2008.

Las week i downloaded the firmware and maps to actualize everything.

It didn't showed me any errors but it was two hours and still wasn't finished.

Finally it became stuck with the message "Software loading on demand".

I've tried everything i read in this forum but nothing seems to work.
My problem is that i cant download the firmware again from the peugeot app..only the maps.

Can someone pass me the firmware and licence for my car please??

My VIN is "VR3**************[VIN obfuscated, can be read by forum staff]"

[borko]

Hi there,
I recently bought Citroen C5 Aircross BlueHDI 180 from 2019. It seems my navigation maps have never been updated since the car was new, as maps are from 2018.
My system version is 31.09.46.62_NAC-r0
Maps are CI-TT-PSA.P4CNS.U-MAP.EUR.NDS-6.3.0

I'm trying to update the system but when I insert USB I got error: version not compatible with hardware (or something like that)
My USB is 32 GB. I tried with multiple USB stick, and at the end I bought new one. It is formated as FAT32, and I tried connecting the car online, and offline. Nothing hepled...

VIN nuber is: VR7**************[VIN obfuscated, can be read by forum staff]

Thanx in advance!

[GiveMeABreak]

Hi all,
I’ve been trying to update my system on a 2020 C5 aircross and experienced the same issues as many others. I contacted Citroen uk customer support regarding the issues. I did everything they suggested which was just the same as I had been doing. Ie use the Citroen update app etc and try multiple USB devices. Today’s call was to tell me that it is a problem at my end and the files are fine on the server! I tried to say about the certificate issues but they didn’t seem to understand. This has supposedly been escalated to the “technical” department too. All that is left is for me is to take it to my local dealer for them to resolve.
So I’m stuck with version 31.09.46.62_NAC-r0 for now. I will have a chat with the service dept in my dealer and see what they say. I shall report back next week after I’ve been in.

Afternoon,
Just a quick update. The service manager downloaded the files via their system and the same issue occurred like I thought it would. So he wants the car booked in so they can follow the process with Citroen UK, raising a technical issue and run full diagnostics. He assured me that he will get it sorted one way or another. I shall keep you updated.

Please do - I knew it's nothing they can do without a re-signed firmware file. As Rui has shown in recent posts, the certificate date can clearly be seen to be expired, so unless the French technicians have a new version specifically for their use - I can't see them being able to solve it - and if they did have a new version, they should just upload it to their servers for the benefit of all.

Thanks for the update.

[GiveMeABreak]

Hi there,
I recently bought Citroen C5 Aircross BlueHDI 180 from 2019. It seems my navigation maps have never been updated since the car was new, as maps are from 2018.
My system version is 31.09.46.62_NAC-r0
Maps are CI-TT-PSA.P4CNS.U-MAP.EUR.NDS-6.3.0

I'm trying to update the system but when I insert USB I got error: version not compatible with hardware (or something like that)
My USB is 32 GB. I tried with multiple USB stick, and at the end I bought new one. It is formated as FAT32, and I tried connecting the car online, and offline. Nothing hepled...

VIN nuber is: VR7**************[VIN obfuscated, can be read by forum staff]

Thanx in advance!

Hello I Have question is it matter if i use pendrive 64gb or it have to be particuraly 32gb pendrive ? I'm trying update from software version 31.08.05.86_NAC-r0 to 42.03.33.42_NAC if it will not succed I got some files on mail from citroen to do it with pendrive since attempt on citroen update didnt go through...

Guys: Your issue will be the same for the Wave 3 systems mentioned in this thread already - expired certificate.

[GiveMeABreak]

Hello there and thanks in advance if someone can help me.

I have a Peugeot 2008.

Las week i downloaded the firmware and maps to actualize everything.

It didn't showed me any errors but it was two hours and still wasn't finished.

Finally it became stuck with the message "Software loading on demand".

I've tried everything i read in this forum but nothing seems to work.
My problem is that i cant download the firmware again from the peugeot app..only the maps.

Can someone pass me the firmware and licence for my car please??

My VIN is "VR3**************[VIN obfuscated, can be read by forum staff]"

I can't, once you've downloaded it - it should be on your PC though, so you should be able to locate it. I can't help with the licence either once you've downloaded it. Maybe Rui can assist if he reads this.

[Rjp1205]

Hi all,
I’ve been trying to update my system on a 2020 C5 aircross and experienced the same issues as many others. I contacted Citroen uk customer support regarding the issues. I did everything they suggested which was just the same as I had been doing. Ie use the Citroen update app etc and try multiple USB devices. Today’s call was to tell me that it is a problem at my end and the files are fine on the server! I tried to say about the certificate issues but they didn’t seem to understand. This has supposedly been escalated to the “technical” department too. All that is left is for me is to take it to my local dealer for them to resolve.
So I’m stuck with version 31.09.46.62_NAC-r0 for now. I will have a chat with the service dept in my dealer and see what they say. I shall report back next week after I’ve been in.

Afternoon,
Just a quick update. The service manager downloaded the files via their system and the same issue occurred like I thought it would. So he wants the car booked in so they can follow the process with Citroen UK, raising a technical issue and run full diagnostics. He assured me that he will get it sorted one way or another. I shall keep you updated.

Please do - I knew it's nothing they can do without a re-signed firmware file. As Rui has shown in recent posts, the certificate date can clearly be seen to be expired, so unless the French technicians have a new version specifically for their use - I can't see them being able to solve it - and if they did have a new version, they should just upload it to their servers for the benefit of all.

Thanks for the update.

I used OpenSSL to view the file :-
Validity
Not Before: Nov 3 14:38:04 2021 GMT
Not After : Nov 3 14:38:04 2024 GMT

I have emailed the service manager this info.

Cheers
Richard

[mattmatician]

Hi all,

I've got a Wave3 software in my C5 Aircross.

Regarding the certificate expiration, would it be possible to disconnect the car from any form of time server, and set the date something that is before the expiration date (Nov 3 14:38:04 2024 GMT?)?

Modern TLS systems check the time matches between server and client, but in this scenario, the certificate check is local, right? Is there a way to go fully offline (I'm thinking disconnecting from GPS and Radio which I presume are used to sync time), so the car would have no means to ensure the date was set correctly?

[Rjp1205]

Hi all,

I've got a Wave3 software in my C5 Aircross.

Regarding the certificate expiration, would it be possible to disconnect the car from any form of time server, and set the date something that is before the expiration date (Nov 3 14:38:04 2024 GMT?)?

Modern TLS systems check the time matches between server and client, but in this scenario, the certificate check is local, right? Is there a way to go fully offline (I'm thinking disconnecting from GPS and Radio which I presume are used to sync time), so the car would have no means to ensure the date was set correctly?

I was thinking exactly the same, I shall ask the question at the garage to see if it is at all possible. I doubt it would be that simple to,do.

[SterkeYerke]

I tried. Didn't work.

[GiveMeABreak]

Hi all,

I've got a Wave3 software in my C5 Aircross.

Regarding the certificate expiration, would it be possible to disconnect the car from any form of time server, and set the date something that is before the expiration date (Nov 3 14:38:04 2024 GMT?)?

Modern TLS systems check the time matches between server and client, but in this scenario, the certificate check is local, right? Is there a way to go fully offline (I'm thinking disconnecting from GPS and Radio which I presume are used to sync time), so the car would have no means to ensure the date was set correctly?

Highly unlikely as without the licence file it requires the connection to the server to authorise..... and without a connection you're still snookered.

[rui_saraiva]

The license.key file is also signed and every time you download that license, it is signed with the certificate available at that time.

If you set the date to something before the firmware expiration date, you might also set it to a date before the certificate used to sign the current license is valid. So you also need an old license.key, which as you know, is tied to the VIN (uin/head unit serial number) and the firmware version (UpdateID/MediaVersion).

And you can't just change the date, the head unit is connected (through USB and CAN bus) to the BTA (Boîtier Télématique Autonome) / ATB (Autonomous Telematics Box), that has its own internal clock, an internal eSIM and GPS receiver - any of them could receive the current date.