bazza1702 Posted July 30, 2009 Share Posted July 30, 2009 Hi Guys, Im posting this in the vague hope that someone may have had this problem before, as Im really starting to lose faith in my zed..... I have a 2003 fairlady zed which I bought from a small garage at the end of March. Had 5 weeks of fairly trouble free motoring, then all of a sudden the car wouldnt start. I had the problem diagnosed as the bcm unit which has since been replaced, but my problem now is that it seems that the key wont keep its code. The Nats code was programmed in last night, and the car has sat all night and most of today, getting checked regularly, all working fine, then all of a sudden it is not recognising the key. It is throwing up a fault code saying that it is not recognising a key.... Has anyone had this problem before or can shed any light of what it could be please...? ZManAlex has been helping me on this one, but I cant get a hold of him today This is the 12th week of the car being off the road, and its really strting to get me down..... Quote Link to comment Share on other sites More sharing options...
R35LEE Posted July 30, 2009 Share Posted July 30, 2009 Hi mate, was the BCM new or 2nd hand? and who coded it?? Quote Link to comment Share on other sites More sharing options...
3FIDDYZ Posted July 30, 2009 Share Posted July 30, 2009 Bugger mate... not good, sorry I cant help but just posting up to say am feeling your pain mate... Hope all gets sorted and you get back to enjoying the car Quote Link to comment Share on other sites More sharing options...
bazza1702 Posted July 30, 2009 Author Share Posted July 30, 2009 Hi Lee, Yes, its a new one from Japan, and it is my local nissan dealer who is coding it. They have coded it a few times now and it works perfectly for a couple of hours then kicks the code out... Quote Link to comment Share on other sites More sharing options...
R35LEE Posted July 30, 2009 Share Posted July 30, 2009 I'd suggest a key mate as its worth a try. loads for sale on ebay and just swap your blade from your key. Won't cost much at all. Get is coded and cross your fingers Quote Link to comment Share on other sites More sharing options...
bazza1702 Posted July 30, 2009 Author Share Posted July 30, 2009 The garage tried swapping a chip in the key over last night and coded it in before they left for the night. The car was still fine this morning, until mid afternoon, then it all of a sudden didnt recognise the key again... Could it be a faulty bcm unit...? I wouldnt have though that as it is storing the fault codes, but its really stressing me out..!! Thanks for your help so far though Lee Quote Link to comment Share on other sites More sharing options...
srobrien Posted July 30, 2009 Share Posted July 30, 2009 Isn't it the immobiliser chip on the ECU that stores the code? It is on most cars. R Quote Link to comment Share on other sites More sharing options...
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