What happens to the Immobilizer when the battery dies?
The immobi codes get out of sync when the battery dies (actually it happens right when you crank with a dead battery). There should be some sort of TSB on this… I believe there was a campaign to repair cars in the market. If you bought the car certified, they should have fixed this.
How to disable the defender immobiliser after battery?
After reconnecting the car battery you need to resynchronise the fobs; from outside the car press the fob lock button at least 4 times (sometimes takes more than 4) until the car doors lock. Unlock, car should start. Unless your connection to the disco has caused some malfunction??? Hi Chaps, appreciate the replies.
How do I change the battery in my defender?
Replace the batteries in your key fobs unless they are recent. After reconnecting the car battery you need to resynchronise the fobs; from outside the car press the fob lock button at least 4 times (sometimes takes more than 4) until the car doors lock. Unlock, car should start.
What should I do if my immobiliser battery goes flat?
Recharge (or more likely replace) the battery, make SURE to follow the battery disconnect procedure (post 7 in this thread) and resynchronise the fobs. You might need to do the battery disconnect procedure again after fitting a new or recharged battery as letting the battery go flat may have resulted in a loss of data.
The immobi codes get out of sync when the battery dies (actually it happens right when you crank with a dead battery). There should be some sort of TSB on this… I believe there was a campaign to repair cars in the market. If you bought the car certified, they should have fixed this.
How to reset Ford Lincoln Mercury immobilizer system?
Ford Lincoln Mercury Reset of the Immobilizer System Call to the dealer, this is their response: Hold the panic button on the key fob for 2 seconds. Close all of the doors and while using the key lock and use the key to unlock the lock the driver’s door. If that doesn’t work remove the negative battery cable for 15 seconds and reconnect.
What’s the best way to reset a car immobilizer?
Hold down the panic button for five seconds to reset the immobilizer. Next, push the lock button two times and wait ten feet away from the car for ten minutes. Then hit the unlock button on the fob twice this should deactivate the security system which should be accompanied by exterior lights flashing or an audible horn beep.
Why does my car immobilizer keep getting triggered?
Someone will reach their hand inside and unlock any of the doors. Another common way for the system becoming triggered is to simply disconnect the battery to install a new unit or if the battery is allowed to go dead and then jump started. These can sometimes cause an electrical surge triggering the immobilizer system. How Does it Work?