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Alarm immobiliser

Tiny
MATTMARTIN
  • MEMBER
  • 2003 CHRYSLER GRAND VOYAGER
  • 201,030 MILES
Hi my alar and immobiliser light are stuck on right now how it happened went to work came home all was fine next day went to start the car the immobiliser light stayed on checked owners manual said electrical fault so disconnected the battery put on charge over night reconnected next morning light still and the car alarm went off for 30sec intervals then pressed unlock button six times interior sensors deactivated open bonnet alarm goes off again 30sec intervals did key fob again deactivated the bonnet sensor alarm light and immo light on solid on dash tried both fobs and sentry keys so I rang chrysler they said central locking shouldn't be working with remote nor should the electric boot nor electric side doors tried to get p codes today nothing comes up managed to none p codes by holding in trip reset button for 9 sec came up with 400.1 and 100.5 and six did again and came up with 100.5 and 400.1 please help or advise me on what to try or do next
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Saturday, April 27th, 2013 AT 2:07 PM

6 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See if the oweners manual tell you how to reset it if it wont' reset then it needs to be scaned to see what is wrong with anti theft system.
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Sunday, April 28th, 2013 AT 7:49 AM
Tiny
MATTMARTIN
  • MEMBER
  • 4 POSTS
Hi thanks for your response have gone through hand book no reset I'm affraid as fob should reset both alarm and immobiliser do you know how to engine codes as only codes I can get are if I hold trip reset for about ten secs and that only gives me to e codes
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Sunday, April 28th, 2013 AT 9:31 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Unfortunately you need a scanner to see what is wrong with the system on this. Normally P codes are for engine and transmission.
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Sunday, April 28th, 2013 AT 10:11 AM
Tiny
MATTMARTIN
  • MEMBER
  • 4 POSTS
Oh no so a fortune at chrysler really hoped to get them under speedo as seen a couple off tricks on you tube with turning the key three times in ignition but didnt work for me never mind flat bed to take car and dreaded bill of  120 inc vat just for diagnostics thanks again tho for all your help this is my third chrysler and still love them tho as this is the only problem ever had with engine and even then just electrics
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Sunday, April 28th, 2013 AT 11:18 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If a garage has a pro type scanner they should be able to find out what's wrong with it. You don't have to go to a dealer all the time. Course sounds like you are in the uk so you might there.
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Sunday, April 28th, 2013 AT 12:57 PM
Tiny
MATTMARTIN
  • MEMBER
  • 4 POSTS
Yeah from uk every garage I've tried have no software for chrysler or are very limited car knows diagnostics machine is pluged in and comes up no faults but then they try to get access to other info and car says no so have to go to chrysler also tried auto electriction and also auto lock smiths no joy but thank you for all your help anyway
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Sunday, April 28th, 2013 AT 1:56 PM

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