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I seem to remember the TPMS receivers in the wheelarches throwing this problem up. God knows how but they are linked into the immobilser circuit. What with all this wet weather might be worth pulling the connections on them cleaning them up and giving them a squirt of WD40 or try disconnecting the plugs to them clear the codes and then give it a try. Wont cost anything anyway best of luck mate
 

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FYI They are situated here both sides a bolt in the bottom hole and hooked into the top hole mine is hanging down out of sight in this pic had to remove it to get to the washer pump. Just looked at the drawings and they are linked into the immobilser circuit though god knows why
 

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I was looking at a post from a while back about the complexitys of the immobilsers on our cars. It states from the service manual that the lock is part of the column and not replaceable on its own and if you have to replace the WCM/SKREEM (the bit that surrounds the lock and recognises the key) then you also have to replace the lock which presumably means you have to replace the whole column:Eyecrazy:. they reckon this is because on initial power up the WCM sends the lock a unique code that is not readable or retrievable. I dont know if this is actually the case i cant recall anyone on here with starting / immobilser problems having to have the whole column replaced. Have you tried starting it with the TPMS recievers disconnected i seem to remember this worked on Rays initial immobilser fault. Do you think the steering locked when you unplugged the receivers to clean the connections?. What it really needs is someone with the knowledge and know how to bypass the whole system otherwise this could be the death knell of these cars in a few years time:mad:None of us on here if we are truthful have the know how or understanding of this system or canbus in general and in my opinion when you take it to a dealer they dont really understand it either they flaff around with this part and that part (because they have access to them) till they get it to run. Things have got far to complicated since my days in the trade and yes the main dealer "techies" as they call them have the product training but do half of them really understand it either i dont think they do. Anyway best of luck mate and i hope its not a wallet busting excercise.
 

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Chris,they didn't disconnect my TPMS they bypassed it...or so they said...they never replaced the lock as my old keys still fit and turn in the ignition they just won't start it,I have 5 sets of keys but only 2 sets start it,also the immobiliser runs through lanbus not canbus which really means electrickery and wizardry....I contacted an American company that states it could bypass the immobiliser but when I told them I had a UK model they said they were unsure that it would work and stopped replying to my emails....I reckon ( and I wish I knew how,lol) it will be such a stupid simple fix a bit like Al's swirl fix but alas I can't find anyone that can get their head around it....I know it's looking at me in the face and flicking the "V's" at me but I can't seem to fathom it out.....perhaps we need to think outside of the box....which I do a lot but at the moment it's beating me....and I so f00kin hate that.....lol
Ray by lock i meant the actual column lock not the key barrel (No2 in pic) The manual states this is an integral part of the column and if the WCM is replaced this needs replacing at the same time because of the secret code i mentioned earlier. Glamorgan had this problem of no start or turn over a while back and they just replaced the WCM they told him they managed to "free" the column lock whatever that meant. I consider myself to be a competent multi skilled person having worked on cars for 20+ and other types of machinery both electrically and mechanically. A mate of mine at work who is a very competent electrician bought me a book in on the joys and working of Canbus/Lanbus it was about 3 inches thick and after about 2 pages my brain was addled:shysmile: I wonder how many "techys" at these main dealers really understand it fully not many would be my guess
 

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Fair point Al but i wonder if the steering column lock on our cars is actually removable from the column without destroying it? ie i wonder if you could just chisel it off because it seems to go into permanent lock mode when the immobilser goes tits up meaning it was unusable. By going this route you may have to use a US spec column aswell
 
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I thought there were 3 tpms receivers, two at the fronts wheel fenders, and only 1 at the rear rightside behind the spashback? (125khz???)
You.re right there are only three.
 

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As you said go through all the TPMS connections first and check them for tightness /corrosion it wont cost anything as you said the rear one is supposed to be under the right arch never had the arch liner out to confirm this. Good luck hope you find something:(
 

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Im glad unplugging them worked for you Good result:banana:
 

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Have you fitted the new receivers mate ?
 

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Ok just an update. The new bits arrived this morning and I fit them in. The codes have been erased too with predator and everything seems fine...........:smile:
Excellent:fing02::fing02::fing02: Good News
 
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