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My 2001 Landrover Disco suddelnly wont unlock or start with the manual keys. All other electronics in car work. Any idea whats wrong?

Battery is new, key fob died long ago which is why I use manual keys , fuses appear to be fine, lock pin in door not broken ( connected to handle ). Locksmith opened car but has no idea why keys don't work . Said its like car does not recognize keys. Alarm goes off immediately when u put key in ignition. Stereo , lights etc all work .

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  • Vehicle Part... Master
  • 14,036 Answers

Problem sound like key or immobilizer the land rover discovery need diagnostic equipment to trouble shoot or reprogram key.

Posted on Jul 14, 2013


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Posted on Jan 02, 2017

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SOURCE: 2006 chevy cobalt. new battery in fob for

Found a web site that instructed us to turn the car on and off 8 times within 10 seconds and leave car on, on the 8th time. this is supposed to put the receiver into program mode. Press a button on fob and turn car off. Should be ready. Tried it, didn't work. This is for fobs that have already been programmed with the 40 bit code. Pulled off positive battery cable for a couple of minutes and put back on. Now everything works.

Posted on Oct 15, 2009

  • 33 Answers

SOURCE: i locked my v40 volvo with the key fob but now it

first thing to try would be to replace the battery in the remote fob .Hope this helps

Posted on Oct 31, 2009

  • 1098 Answers

SOURCE: went to hospital parked car came out key fob not

Im not sure there is any easy fix for this so I will just give a little advice.

Can you give me the make and model of the car? and is the alarm and immobilizer a standard factory one? Will do my best to help you once I know the make and model, and the year please.



Posted on Nov 07, 2010

krishna pokh
  • 4 Answers

SOURCE: 2004 honda civic will not

hello frnd
adapt key with immobilizer and ecu.if not solved check wiring of ecu immobilizer and ignition starter switch.

Posted on May 11, 2011

  • 1 Answer

SOURCE: My 2007 toyota avensis won't unlock with the fob

Did you get an answer to this??

Posted on Jul 17, 2011

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When i changed ignition on 2001 ford explorer I ended up having to replace steering column now it wont turn over & the anti theft light flashes & wont stop. what can be done to get car started?

At least you know the anti theft system is working. Jokes aside, I would think that the electronic security system is not recognising the new lock and steering column. You could try leaving the battery completely disconnected for at least 2 or 3 hours to see if the system resets. Reconnect the battery and then try again with the new key. You will have to put the security code back into your radio as well. If this doesn't work, it may need to go to a Dealer to reprogram your electronic system.

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Fuses checked and now the car wont run but did before I did this.

Doing a search online came up with very little info.
The only thing that sounded serious was to disconnect both battery cables and wait a couple of hours before hooking them back up.
Or even overnight.
The idea is to drain the memory power from the CCM in the car, then reprogram everything.
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Have someone give you a jump, does the car start now ?
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Aug 10, 2009 | 2001 Hyundai Elantra

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Alarm and imobiliser on a discovery 300tdi

before you cut or rewire the alarm, when welding the disco although disconecting the battery protects the battery, the imobiliser holds current, this my have gone into system factory setting, so it my be worth getting the imob and key re-conected, this is a cheap job at any Landrover specialist. hope your running smooth soon

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