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Chrysler Repair/Voyager Immobiliser


Liberty Limos wrote at 2006-07-16 17:32:15

Had a similar problem with my 99 Grand Voyager. Was advised by Chrysler to remove heater control panel and chech multi pin connecter for heat damage which is caused by a loose earth behind heater control panel to the uper left (10mm nut far top right corner of recess). This apparently can cause immobaliser problems. Might be worth a try.

Major Stephen Wagener wrote at 2007-11-17 07:43:09
I have a Chrysler Voyager 2001. Had a problem with the central locking system cycling closed every 18-90 seconds and sometimes locking again immediately after I activated the remote to open the door. After reading the answer above I got into the central computer (location as described) pulled the connector plug off. Gave it squirt with contact cleaner and pushed it together and apart a few times to clean it and make a good contact.  BINGO! everything is back to normal.   Roland Finston - you are a great guy!  I appreciate the time you spend giving real assistance. Well Done! Thankyou. Spot-on advice, I have been saved several hundred dollars.  Most dealer mechanics are not the smartest at electrical diagnosis and spend hours fiddling around at the customers expense. Roland -Again - THANKYOU

GrrrrChrysler wrote at 2011-10-10 00:42:22
You will find that by simply banging the dash about the heater and instrument cluster and the car will start straight away. If this does not work, dissconnect the battery, bang the dash, wait 1hour+ reconnect and this will fix the issue 90% of the time.

The reason that locking and unlocking seems to remedy the problem temporarily is that the unlocking and locking of the vehicle vibrates the chassis just enough somtimes to fix the REAL problem.

If these procedures fix your starting issue then you have a loose terminal behind either your heater switch or instrument cluster.

The banging simply reconnects the loose terminal, wherever it may lie. I resoldered the terminal behind my dash and not a drama since..... Hope this helps all who read... :-)

Ziggy wrote at 2012-11-01 08:20:58
a couple of things to consider on uk spec cars

1/ the 97 model year voyager immobiliser was diferent to the later ones (no chip in key)so if you get another from the scrap yard make certain it has the same cis number or it wont work.

2/ if you disconect the immobiliser when you reconnect you have to cycle the ignition to get the led to go out.

3/ if you fob packs up and you only have the one the dealer will have to remove the immobiliser and send it back to the makers to get it re programmed (97 only)  

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Roland Finston


Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

I answer questions seven days a week and respond to you in about 30 minutes. "Maxed Out" means I am answering another question, briefly unavailable, so try again later.

I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top Expert" 2010-2015, here at AllExperts, and have answered 20,000+ questions.


Five decades as a 'do-it-yourselfer' on domestic and imported cars.

Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Advanced degrees in Physics/bruised knuckles

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014 and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

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