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Good morning. I've had an issue with my 2012 Meriva for sometime now where I experience loud beeping every so often from what I can only assume is the immobiliser. It usually does a burst of beeps once you've started the car and drive off, however in the last few months it's started doing it even whilst driving... and it's now gotten to the point where it will do bursts of beeps every 15 seconds for an entire drive... sometimes stopping and restarting the car doesn't even help. Some days it's fine. Below is a video of my car idling on our driveway (hence the seatbelt light). You can hear the beeps (please excuse the dirty dashboard). This is what I hear on a "bad day" where it won't even stop beeping, even whilst driving... I'm guessing the immobiliser is faulty (although I can still start and drive) or it's for a warning I don't understand? Either way it's driving me insane... Is there ANYTHING I can do short of scrapping the car? Maybe a speaker cable I can cut, or warning I can clear somehow? Any help or guidance would be hugely appreciated. Thank you so much for your time. -S Meriva.mp4

Hi all, need some help. Bought a 06 vivaro couple of months ago and its been running perfectly fine apart from the battery being a bit on the old side as it was losing charge quickly so it was replaced (alternator was tested and no parasitic drain was found so put down to old battery). When battery was replaced by AA, it activated the immobiliser (flashing, not steady). We were able to intermittently start the engine using the central locking trick with the key/dashboard button but now it won't deactivate at all. AA autolocksmiths were called out disconnected and reconnected the battery, cut us a new key (we only had one) and reprogrammed the old key. No joy. An auto electrician was called out who retried everything that the AA did, plus tested all fuses (I'm not 100% sure all were tested, just the passenger side and under bonnet ones) and they ran diagnostics which flagged communication with the ecu. He recommended replacing the entire ecu kit with a second hand one off ebay and said that the code he gave needs to match to jncrease chance of success but even then its not guaranteed to work. Currently, no complete kits are available with the code we need. Is it essential that is matches? Secondly, has anyone else been in the same situation and replaced the ecu kit to fix the immobiliser issue? From googling, it seems to be a common issue in these vans but everyone seems to have rectified their problem from simpler fixes. Honestly wish I never bought this van! Currently thousands out of pocket as its sat on the drive unable to start and only been used a few times. It was fine before the battery change :(

Gran Problema! Driving home one night, turns corner and discovers traction control light (stability control) has come on (amber). Stops car. Engine management light comes on. Oh dear! Turn car off to try and reset. Will no longer start. Don't get me wrong, it tries! It cranks and turns pistons and shafts but will not actually fire up. Called GreenFlag, came out and scanned the OBDII. Sanner claimed misfire on cylinder#2 but no other faults detected. So, off to euro car parts I went. Getting a new coil pack and 4x new spark plugs hoping that the problem would go away and that the non-starting was just a self protection mechanism. No such luck. Replaced the coil pack and the spark plugs and tried firing her up. Still no joy, now the worrying starts! Scanned again and cleared the fault code just in case. Still no luck. Now for the diagnostic approach, test everything and try and narrow the field. Multimeters and OBD scanners out we set to it. All the pins on the coil pack harness read as expected, +3ishV on the spark plug pins plus a ground and +12V. Relays appear to be clicking except relay 3/4 (I can't quite remember which one) does not click on ignition and does not appear to be receiving a switched +12V in order to open the gate. Both relays are listed in the user's manual as "Ignition, fuel system". I've sent the ECU away to be tested as that was our first thought (myself and the 70+ years worth of mechanics standing behind me) and appeared to be the most likely cause but no luck, the testers don't have a rig set up for my particular model of ECU and Delco refuse to give them the ECU schema to set one up (YAY FOR CAPITALISM AND PRIVATE COMPANIES). In short, I've no idea from here in and neither of the time served mechs know what to do anymore. Have thought it might be immobiliser or possibly the key's transponder but unable to test as yet due to the ecu not being present in the engine bay. Any ideas or help would be very useful as well as any guidance on possible ECU swap and the procedures involved in doing such a thing. Thanks in advance guys, hope somebody else has suffered this issue and their car has lived to see the light of day again! Else... well f*** it it'll have to be a new car! Cheers!