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Hurrah! The PIN Code from the dealer worked and the alarm / immobiliser was disabled. The problem with the alarm going off does persist however, if I re-arm the system. I think I will just use the key for a while and get used to that.. The other good news is that with the car starting again, I was able to drive to my local garage where she passed her MOT without a single advisory this morning! Thanks to Dales Automotive in Barnoldswick for supplying the code 🙂 I might update the thread if I can get to the bottom of this alarm problem...

Hello Brack, No, the key fob doesn't deactivate the alarm or unlock the car. I have the original PIN now from a local Subaru dealer, so will give that a go in the morning. I have the alarm instruction booklet so will follow the guidance on page 10 as you say - as long as someone hasn't changed the PIN somewhere along the way - it is a 15 year old car I suppose! Report to follow 🙂

Thanks for the info! I've sieved the document pack to no avail, and so have approached my local Subaru garage to request a PIN, using my V5 and photo ID to verify my ownership. Of course, there is still that thorny issue of what to do with the PIN when it arrives! I had a (very expensive!) autoelectrician look at the car this afternoon - he got as far as diagnosing that the 'Integrated Unit Module showed no communication with ECU intermittently' before my time ran out - and he departed to another job. Nice work if you can get it! The car is still doing the thing, locking using the key fob (sometimes not) but not unlocking remotely. When the key goes into the ignition and is turned, the alarm kicks in and the immobiliser does it's thing, so the car won't start. Very frustrating! It feels like it must be something simple! But with my luck it is probably something terminal instead! 😞 I'm off to London tomorrow, so no more updates till Weds, but maybe, just maybe, the PIN thing will move us forward... Watch this space 🙂

Yes there is a keypad, but sadly I don't have a PIN. Is there a way of getting a PIN from Subaru.net?

Hello Brack, and thanks for replying 🙂 Replaced both batteries with new. No difference. Car still doesn't unlock on key fob, and alarm goes off / immobiliser kicks in when using key to unlock and enter. Sounds like something has fried itself at the receiver end. I don't know if it is a factory fitted or after market system (which apparently makes a difference) but it is dead either way. And now I can't find anyone locally to have a look at it, as all the so called autoelectricians are either booked up for weeks, or not willing to come out and want me to take the car to them (I suppose I could push it 😞 ) Blackburn really is a wasteland these days..

I've had the car 6 months, and it has been uber reliable. No problems before this. 104000 miles, full service history.

Subaru Outback 2010 2.0 Diesel - Keyfob no longer operates remote locking / unlocking of the car, and use of the key to unlock manually causes alarm and immobilizer to be activated if the door is opened. DIsconnecting the battery for >30 minutes then reconnecting had no effect. Both key fobs were working properly till today, and both had new batteries about 4 months ago and operated normally after that. Symptoms suggest a problem at the receiver end (i.e. in the car) Any ideas?