Adaptive Cruise Control Problem New C5 Aircross

Faults and Technical chat for the Citroen Aircross
Harry_Boy
Posts: 5
Joined: Tue May 07, 2019 2:21 pm

Adaptive Cruise Control Problem New C5 Aircross

Post by Harry_Boy » Tue May 07, 2019 2:41 pm

Picked up our new C5 Aircross 1.5d Flair Plus (Platinum grey, silver accents) on Saturday, and generally very pleased indeed.

The adaptive radar cruise worked very well for all of half a day, seamlessly adjusting the speed as vehicles came and went on the motorway journey back home.

But, from that point onwards, it has refused to engage at all.

Each time I try to activate the system, it displays an error message stating:

"Activation denied, conditions unsuitable". This is despite the roads being, clearly, entirely suitable.

Has anyone encountered this problem at all?

I'm slightly upset that it's taken less than 24 hours for the legendary French reliability to rear its head, after years of German and Japanese dependability...
1.5d Flair Plus auto, platinum grey, silver accents.


Handy Andy
Posts: 49
Joined: Wed Feb 06, 2019 12:30 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Handy Andy » Tue May 07, 2019 8:42 pm

Just a thought but the square panel in the bottom of the front grille needs to be clean. This observation is based on my friends Kodiaq which was a bit iffy after it got somewhat dirty after a long run.
Maybe worth a clean. It has a similar set up to the C5.
C5 Aircross Flair Plus 180 Petrol Auto, Platinum Grey with Red Accents and Black Wheels.


Harry_Boy
Posts: 5
Joined: Tue May 07, 2019 2:21 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Harry_Boy » Wed May 08, 2019 9:22 am

Cheers Andy - will give it a go... Thank you.
1.5d Flair Plus auto, platinum grey, silver accents.


Harry_Boy
Posts: 5
Joined: Tue May 07, 2019 2:21 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Harry_Boy » Fri May 10, 2019 1:31 pm

Tried cleaning the camera, panels, etc. No difference. Still kaput...

Dealer can't look till the end of the month. Not impressed...
1.5d Flair Plus auto, platinum grey, silver accents.


Handy Andy
Posts: 49
Joined: Wed Feb 06, 2019 12:30 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Handy Andy » Fri May 10, 2019 5:51 pm

That's a bummer.
Please keep us informed.
C5 Aircross Flair Plus 180 Petrol Auto, Platinum Grey with Red Accents and Black Wheels.


Handy Andy
Posts: 49
Joined: Wed Feb 06, 2019 12:30 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Handy Andy » Sat May 11, 2019 6:43 pm

Thinking a bit more about your issue. I can get that message to display if I press the pause/resume button on the cruise control but only if the cruise control is not active. If cruise control is in operation and the button is pressed it will switch between pause and resume as it should and not present the message, which is exactly as it should be.
C5 Aircross Flair Plus 180 Petrol Auto, Platinum Grey with Red Accents and Black Wheels.


routemaster1
Posts: 24
Joined: Wed Mar 27, 2019 7:57 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by routemaster1 » Sun May 12, 2019 7:39 am

Handy Andy wrote:
Sat May 11, 2019 6:43 pm
Thinking a bit more about your issue. I can get that message to display if I press the pause/resume button on the cruise control but only if the cruise control is not active. If cruise control is in operation and the button is pressed it will switch between pause and resume as it should and not present the message, which is exactly as it should be.
That is how all Citroen cruise systems work. You actually have to set the speed after every start by selecting the speed higher/ speed lower buttons.

As a matter of interest, last night I found something unusual on the cruise on our new C3 110bhp petrol. I set the cruise as normal, and came to a hill the car didn't like in 6th gear, so I changed down. In every other Citroen I've has the pressing of the clutch pedal would disengage cruise, but not in this car. After changing down, cruise immediately reengaged. Are the C3/C5 Aircross like ths as well?


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srperry
Posts: 36
Joined: Fri Mar 01, 2019 10:32 am
Location: Wiltshire, UK

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by srperry » Sun May 12, 2019 10:12 am

routemaster1 wrote:
Sun May 12, 2019 7:39 am
Handy Andy wrote:
Sat May 11, 2019 6:43 pm
Thinking a bit more about your issue. I can get that message to display if I press the pause/resume button on the cruise control but only if the cruise control is not active. If cruise control is in operation and the button is pressed it will switch between pause and resume as it should and not present the message, which is exactly as it should be.
That is how all Citroen cruise systems work. You actually have to set the speed after every start by selecting the speed higher/ speed lower buttons.

As a matter of interest, last night I found something unusual on the cruise on our new C3 110bhp petrol. I set the cruise as normal, and came to a hill the car didn't like in 6th gear, so I changed down. In every other Citroen I've has the pressing of the clutch pedal would disengage cruise, but not in this car. After changing down, cruise immediately reengaged. Are the C3/C5 Aircross like ths as well?
Yes, mine is the same. I was pleasantly surprised by that as well; it does the same changing up as well as down.
C5 Aircross PureTech 130 S&S Flair, Tijuca Blue/Black Roof, Metropolitan Grey ambience


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Korber
Posts: 10
Joined: Fri Mar 22, 2019 10:02 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Korber » Sun May 12, 2019 11:07 am

Same for C3 Aircross, you can shift gears, cc remains engaged.
C3 aircross 110 BVM6 Shine


Harry_Boy
Posts: 5
Joined: Tue May 07, 2019 2:21 pm

Re: Adaptive Cruise Control Problem New C5 Aircross

Post by Harry_Boy » Mon May 13, 2019 1:49 pm

Interesting feedback, guys. Will investigate further.

The weird thing is that it DID work at first, using the same methodology that now results in the error message. I'm still nonplussed...
1.5d Flair Plus auto, platinum grey, silver accents.


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