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Fob didn't work so the alarm immobiliser was armed and active when the locksmith opened the car - with predictable results.
Fob still not working - broken or needs new battery. Have you fitted a new battery into the fob?
The alarm immobiliser will probably remain armed until the doors have been locked and then unlocked with the fob.
There is a small chance the system can be fooled into thinking it has been disarmed by disconnecting the battery (overnight if poss) and then with the door open and the ignition key in and turned on, when the battery is reconnected it might be possible to start the engine...
Factory alarm (if not an optional extra) is probably, like the immobiliser, integrated into the engine management system. If this is so it cannot be disarmed without a correctly coded signal from the key or fob.
That would leave you with two choices - either obtain a new fob and have the system recoded or to have the system decoded, effectively disabling the alarm and immobiliser. Costwise there isn't much difference...
You will probably need to replace the fob as that will contain the code to turn off the alarm and immobiliser. You might have to go to a dealership if it is a factory fitted security system.
sounds like its time for a new fob, try useing the key to unlock the door this should shut down alarm, if its the key fob chip your talking about then hope you have a spare if not, depending on the year may need to reprogram a new key fob.
Not a solution just another problem...Lost my car fob key, have a replacement key no circuit. As I open door, sets off immobiliser like above for20 mins. I had someone look under the glove compartment but that got me no joy. How can I (non techy) resolve this so I can drive my baby home...Vreg Avensis1.8 model?
many thanks
If im not mistaken,your car should have an alarm reset/override.Below the steering column,on the dash should be a slot where you put your remote transmitter to deactivate the alarm.If that works,you then need to have your remote checked and coded by a vw dealer.Good luck.
You cannot disable the immobiliser. If it were that easy, any car theif could defeat it by searching the internet. If you dont have any more master keys, you will have to have your local Toyota dealer reseed (reprogram) the immobiliser code, and program new keys for you. It should be about 2 hours labor and cost of keys, but only a dealer can do it. They need to use the Toyota scan tool, and access a Toyota only website with security codes.
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