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[Steve B]

Does the transponder thing in the new key fob have to be [virgin] or can a used one be cleared [formatted]

In other words ..a second hand key from a breaker..then just get a new blade.and get it to a tech II 

[TheBoy]

Depends on if its been near shit code readers

[Steve B]

Second thought..can the cars ecu[tec II] be told that [forget all this code crap] nobody wants to nick my car cos its crap.so from now on when i put the proper key in the barrel...START

[TheBoy]

Not via Tech2.

Also, you'd find your insurance would take a hike

[Steve B]

Just been on phone to main dealers.there are two here.asked the price of the good old car pass.
one of them wants £33 and the other wants £38.50.so i will go with that.

while on phone i asked both of them (out of curiosity) about a new key supplied,fully programmed.

(1) £76 for key
     £45 for programming
     £38.50 car pass

 total £159.50 

(2) £154.98 for key and programming
     £33 car pass

 total £187.98   

  so i ordered two 

[Andy B]

Just been on phone to main dealers.there are two here.asked the price of the good old car pass.
one of them wants £33 and the other wants £38.50.so i will go with that.

while on phone i asked both of them (out of curiosity) about a new key supplied,fully programmed.

(1) £76 for key
     £45 for programming
     £38.50 car pass

 total £159.50 

(2) £154.98 for key and programming
     £33 car pass

 total £187.98   

  so i ordered two 

Think yourself lucky. I bought a second key for her Smart - never thought to check there were 2 keys with it when we bought it  - it came to around £190 

I believe a new key for a Merc is now around £220

[Steve B]

Been to see main dealer and ordered car pass. Now for sorting a new key

here is my key.





Is this the horse/shoe and chip i need 

http://www.ebay.co.uk/itm/NEW-UNCUT-HU43-KEY-BLADE-TRANSPONDER-CHIP-for-VAUXHALL-VECTRA-OMEGA-/261066289419?pt=UK_Car_Accessories_Safety_Security&hash=item3cc8c3710b

TIA

[PhilRich]

Yep, that's the right one

[Steve B]

Excuse the ignorance.

PCB?

Ive opened up the key to do this check.but my findings are not the same as the guide 





Printed Circuit Board . Open up your old key & your current one & compare the manufacturer & serial numbers.


See here: http://www.omegaowners.com/forum/index.php?topic=90483.msg1155297#msg1155297

[Steve B]

There are two types;   

Manufacturer: Delphi Automotive Systems
   Additional: Megamos T-AM 433.92Mhz  this is on GLS (without factory alarm)


 Manufacturer: Kiekert AG
   Additional: TX Type5470 433Mhz

So mine a 2002 cd so it should be the second one..well its the first one.. MEGAMOS

Does it matter which one i buy.

[PhilRich]

My 2002 CDX Saloon has an alarm and is also the Megamos T-AM. If this is the type you now have (and it works!) then you need the same one for your new key. 

[TheBoy]

You must get right fob, and you can't go on the name on back for FL

Best to get fob from dealer. About 27 on trade IIRC

[Steve B]

Think this one is for theboy.    I  had a key fob turn up today and the internal green board is exactly the same

part number/make/and mhz as mine. so i gave it a new batt.put my horse shoe and transponder onto it..

I now open car door with key in lock.and the key starts the car fine

why can i not sync the key in ignition barrel

[Jimbob]

the key is mechanical, hence opening the door, and turning the ignition
the small black chip only talks to the immobiliser and allows the car to start.
the remote fob is not programmed to your car, that needs tech2 to add it to your car's ecu.
You cannot self program them with the resync procedure.

[TheBoy]

What Jimbob says.

Post 1996 keys are made up of 3 components:

Mechanical - needs to be cut so it mechanically works in the lock
Transponder (in horseshow on post 1998 cars, embedded in key on 96 and 97 cars), needs to be programmed to immobiliser via Tech1/Tech2
Remote Fob ("plugs" into horseshoe on post 1998 cars, seperate 'blipper' on 96 and 97 cars), needs to be programmed to the central locking (poverty specced) or alarm (most models) ECU via Tech1/Tech2.