If the compressor is operating, but the car is not raising in one side, then it may be a leak in the spring / cushion on that side. If it's not raising on either side and you can't hear the compressor and it's not the relay, then it's likely to be the compressor. But fault codes will be helpful. Please Don't PM Me For Technical Help Marc andybee The Citroen C4 Grand Picasso often suffers from air leaks in the air suspension system. These leaks can result in a drop in ride height, affecting the vehicle's stability and comfort. Air leaks can occur on any side of the vehicle and can be caused by age, wear and tear, or damage to the air springs or other components. Citroen Grand C4 Picasso MPV review such as optional self-levelling hydraulic rear suspension. Two 1.6-litre diesels, plus 1.8-litre and 2.0-litre petrol engines, form the line-up, with trims Citroen C4 grand picasso suspension failure and investigation.In this video I detail Citroen C4 suspension failure and how to replace the rear suspension air A big thanks to lancexxx2k off Ebay for providing the diagnostic equipment for this car.Citroen C4 grand picasso suspension failure and investigation.In this I have a 2005 C4 1.4 Petrol and failed MOT because my rear fog lamp was not working at all. After a quick check the front fog lamp is not working too. I have to mention that I just bought the car and noticed about the fault after. I do not have any faults on the dashboard, and when I try to switch on the fog lamps no light is coming on the stalk. PP6A61c. I am having an intermittent "Service/Suspension fault" warning occasionally on my C4 Picasso Exclusive. It only seems to happen when there is no load in the back and is totally at random. If you check the faults in Lexia it comes up with C1196 and all the usual messages Height change inconsistent coherent fault. Citroen C4 grand picasso suspension failure and investigation. In this video I detail my Citroen C4 Grand Picasso suspension failure and how to fault find. Wanted to remove service light & suspension fault after changing to coil springs. I also have automatic height adjustment on lights, so not an option to remove the suspension ecu in any case. Only setting that needed to be changed: Repair->bsi->configuration->bsi driving assistance->pneumatic suspension->disabled. This would then disappear on the next few startups only to appear again randomly. Of course this wouldn't ever happen when I was at the dealer so I resorted to a video to prove I wasn't insane! Anyway - it turned out this was a wiring harness fault (known by Citroen) and I believe it gets snagged under one of the seats and triggers a fault. 2x Spring seats. 2x Bump stops. This is all that is required to carry out a conversion that will eliminate the need to replace air springs or compressor permanently. Changing from one to the other is relatively straightforward. If you have access to a wheel-free ramp and a good spring compressor the conversion is very straightforward.

citroen c4 grand picasso suspension fault message