Search for Car Problems. Example: "Bad Brakes", "Toyota Recall", etc. Citroen C5 transmission problems as reported to CarComplaints.com. The Park interlock is not working as it should. If the C5 is the same as the Xantia, there's a solenoid that locks the lever in Park until you press the brake. It's all controlled by the Autobox ECU and the solenoid is operated via a relay. The solenoid can be manually bypassed by slipping off the trim around the gear gate and looking to the Obviously, the solenoid that works as a “switch” to engage the gears must not be functioning effectively, second option, a speed or engine unit speed sensor may be faulty and send the wrong information to your gearbox. If you experience drops coming from the automatic gearbox of your Audi A5: If you experience a clutch when you go up or LEXIA 3 Diagnostic Interface for Citroen Peugeot: Aliexpress link: http://ali.pub/2shznfEbay link :http://ebay.to/2BzCBwiPart 2 : Wed 10 Jul 2002 18:14. Citroen C5 Problems - centurion. My four month old C5 Estate has been back to Dealer four times for a number of faults . The main fault being a very jerky auto gear change which Dealer seems unable to put right. As AS stated, there is a detailed series of comments on the C5 on Yahoo, Groups,C5-L. Below, we've picked out some of our favourite automatic cars that are available through Motability and possess all of these qualities in abundance, whilst also having their own unique character. Citroën C5 Aircross. Nissan Qashqai. Kia Picanto. Vauxhall Crossland. Hyundai i20. Peugeot 208. Hyundai Tucson. Citroen C5 Automatic Gearbox. My c5 with auto box and 2 litre petrol engine has been back to dealer four times for jerky gear changing wbich appears to be a known fault. Does any technically minded person know if this problem can actually be corrected as the various software updates from Citroen have made little difference. Car is four months old. There's plenty of grip too and a reasonably slick set of gearboxes - 5 and 6-speed manuals, depending on model, a robotised 6-speed clutch-less EGS set-up and a full-fat 6-speed auto, a transmission that offers a 'Sport' option for faster changes. Under the bonnet, where this car shares its engine-ware with Peugeot's 508, there's an C5 AL4 Automatic Transmission. We have a early 2005 C5 (same as the 2004) and its a 2.0 litres 16V with the 4 speeed AL4 automatic transmission. We are thinking of selling the car after hearing so many horror stories. I was just wondering if anyone out there has had a similar car that has had this AL4 transmission fail. Latest 2009 Citroen C5 Problems. Ignition off lights randomly turn on and flatten the battery, bsi has been reset and replaced.. Sudden loss of power from engine driving along at 55mphEngine restarts after a while.Subsequent diagnostic check could find no fault.Keeps happening unpredictably. wTD7J.