#1: Immobiliser issues... Author: jacktastic1, Posted: Sat Oct 24, 2015 6:27 am ---- Hi guys hoping you can help..
I have a 1.6 petrol 206 allure - 70k miles on the clock
Car works fine and passed its MOT a few months back, however recently I have had this annoying problem when trying to start it.
When I put the key in the ignition I get "ENGINE IMMOBILISER FAULT" on the dashboard. When I start it, it always starts first time however quite often all the doors lock, the airbag light stays on and also says passenger airbag disconnected.
I can drive it and its fine, it just has a lit up light which is very annoying!
This happens about 50% of the time, if i take the key out after this does this, wait a bit and try again often it starts fine, no issues no airbag light and no fault?
I am not sure what this is or how bad it is considering it is intermittent. Any advice on how to fix it would be appreciated!
I had a quick google and its not as severe as disabling the car completely, it always starts so i dont think its a proper immobiliser fault as it always starts- it is just a strange one when the doors lock inside the car. It always unlocks when I click the button away from the car.
is it just a dodgy battery? That is a suggestion I have seen? Or do I need to replace the key fob battery??
Any help would be greatly appreciated and what is the next steps to fix this (ideally without having to go to a garage and get them to fix it)
thanks
#2: Re: Immobiliser issues... Author: mtempsch, Location: Gothenburg, SwedenPosted: Sat Oct 24, 2015 7:40 am ---- There's been all sorts of weird behaviour reported that has had its root in a poor battery. I'd say a checkup of the battery would be in order...
The fob battery is only for the transmitter for remote un/lock. The immo ship is powered by the radio field the immo antenna sends out. The chip has an internal little antenna that picks up power from what the car's antenna pumps out, then uses that power to send out a message that the car's antenna picks up, just like an ID chip implanted in a pet talks to a reader unit.
#3: Re: Immobiliser issues... Author: Timon2210, Location: PalestinePosted: Mon Oct 26, 2015 5:05 am ---- I believe you have a battery that about to die,you better check it,and replace it as we are in winter,so a new battery would be good anyway.
#4: Re: Immobiliser issues... Author: jacktastic1, Posted: Mon Oct 26, 2015 1:57 pm ---- thanks for the responses guys,
seemed like a new key did the trick- I had another one with electronic unlocking and no issues so far however I will take it to the garage and check the battery
any recommendations on a new battery? might get one cheaper online and a better brand than the garage ones they would supply.
thanks again
#5: Re: Immobiliser issues... Author: Addaz, Location: SuffolkPosted: Mon Oct 26, 2015 5:18 pm ---- As above, try a new key and have the battery checked. As ive had a similar faultwith a water ingressed BSI, easy to confirm, pain to fix.
Remove the bsi under the steering colum, split it apart and check for clouding/dry water
#6: Re: Immobiliser issues... Author: Timon2210, Location: PalestinePosted: Wed Oct 28, 2015 3:16 am ----
Addaz wrote:
As above, try a new key and have the battery checked. As ive had a similar faultwith a water ingressed BSI, easy to confirm, pain to fix.
Remove the bsi under the steering colum, split it apart and check for clouding/dry water
Have you managed to trace the source of the water?
#7: Re: Immobiliser issues... Author: jacktastic1, Posted: Tue Nov 03, 2015 4:31 pm ---- Dead battery was the fault guys- mechanic said it was nearly completely dead was surprised it started!!
New battery= 0 issues.
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