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Jaguar X Type: I have a 2003 jaguar x type will not start.

I have a 2003 jaguar...
I have a 2003 jaguar x type will not start. The imobilizer light in the console is on and flashing 1 2 1 2 what can this be?
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Answered in 11 hours by:
2/21/2015
Jaguar Mechanic: Richard, Jaguar Technician replied 7 years ago
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
Verified
Hello and welcome to justanswer.com
If after the security light blinks rapidly for 60 seconds it blinks a code 12 that is for corrupt data from the transceiver. That is the part located around the ignition cylinder that reads the key. The transceiver can be bad or there could be a problem with the key. Unfortunately a Jag factory tool will be needed to perform programming of a new key if needed. First try disconnecting just the negative battery terminal cable for about half hour then unlock the vehicle using the key in the driver door lock cylinder to see if the security system resets. Let me know.
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
Verified
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Richard
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 16,763
16,763 Satisfied Customers
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.

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