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how can i fix my renault trafic alarm fault?

my alarm on my 2002 renault trafic van keeps sounding when locked for no obvious reason. and it some times beeps when im driving. does any one know how to disable it please.
dan, March 2008
Thanks for the info. My '59 Renault master has had an alarm fault. Seems to go off in sunny weather, especially with some cloud so it is going cool, warm. cool as clouds pass.
Having read to entries so far I checked the door contacts. Door switch on the front doors press on a foam pad which had worn away. A gentle push on the driver's door made the alarm go off. I replaced the foam pad with a thick felt pad and that seems to have sorted it. The change in temperature as clouds passed must have made the air inside expand and contract enough to move the door.

Pete in Kendal, September 2017
I have a 57 vivaro.alarm has been going off after 5 or 6 hours .I have found the sounder which has apparently a battery which that say starts failing after 5 years.most forums say its behind n/s wheel arch .look under header tank in engine bay its there.inside black shrouding.no one told me this,I heard it.had to find it myself. Good luck

Dennis stark, September 2017
My husband just unplugged his speaker to the alarm on our Renault trafic 2005 model. It's located near side behind the front bumper.

Remove the front light nearside and bumper you will see a what looks like a small megaphone shape tunnel. Just behind you will find a connector that you just pull apart. This stops the sound dead.

Galey DIY, April 2017
I have also had a problem with my alarm continuesly going off..
God help me but I was going to invest the n a big x of matches and gallon of petrol

Dave, February 2017
When driving my Renault master van the door light comes on then starts to make a bleeping noise until I get on the motorway put window down about 4inch the it stops then put the window back up and it starts again its DRI ving me mad can anybody tell me how to how to unconnect it thanks

alan boswell, September 2014
I give you this info from a reliable renault tech guy. I had the problem with false alarms and it sorted it for me. He told me that 99% of the time that the bonnet switch and the ultrasonic inside the cab were to blame! I disconnected both and now have peaceful nights sleep. The alarm still covers all doors in the event of intrusion. The ultrasonic moulding simply slides off and can be easily unplugged. This solution could save you hundreds at the main dealer. Give it a go, if it doesn't work simply reconnect and buy some ear plugs,.....

Robbie, June 2014
I've just sorted my vivaro. Open the left rear door and look in the bottom left corne of the door shut. There should be an alarm contact plunger. On the door opposite there's probably just a small hole where there should be a rubber bung to push in the contact switch. Hold in the switch by hand and the alarm will work normal. 2 flashes then 5 for dead locking. Just jam a piece of rubber in the hole to push the switch and your all sorted.

Chief31, May 2014
alarm is going off in my Vauxhall vivaro even when keys are in ignition and van has started up

richard, April 2014
At Graham from bognor!have you fix it? I have the same problem now.

Fabio, July 2013
sorted mine by finding alarm (take right front wheel off and panel under that) then i got a can of expanding foam and filled it up....:)....i heard it go pfffff once and that was it.....sorted

kev, June 2013
On one of my trafics i found that the push nipple on the passenger side under the rubber cover had slip inside of the hole on one of the three locators only a little but enough to stop the alarm from setting and to continuously beep whilst driving with no warnings on the dashboard

Mark from Mayday vehicle rentals, May 2013
its within the wheel arch not above it, you have to remove the wheel then the plastic covers.

Mark, October 2012
my 53 reg trafic alarm flashes when armed but the siren doesnt bleep, also sometimes when the van is unlocked after a couple of mins it will altomatically lock itself again!

rich, May 2012
Hi, iv been having problems with the alarm too. Completely overlooked the bonnet and thought it was the side doors as iv had problems with that in the past.

Locked the van up and then tried each door in turn plus the petrol cap, it was only when I tried the bonnet that the alarm went off. Took one finger lifting it to start it going. Even a bit of a breeze has been setting it off. Have put some cardboard over the depression sensor and this seems to have stopped it. Hoping that's it sorted so I can get some rest.

rob2211, May 2011
Started happening on my 58 plate sport, went off at around 2am & 2.30am the other night and at 3am 3.20am & 6am last night. Have to have a look see if its simple to fix or renault can sort it think its still got warranty? Not very good though for a 58 reg with 20k on clock.

Ross, January 2011
hi
i have a 60 plate trafic sport phase 3,now has 2000 miles on it.my alarm over the last 3 nights has been going off.i armed it with the ultrasonics switched off.to do this hold button down when arming .the van has been ok with the ultrasonics switched off,however when i now arming the van and it is bleeping,i have checked out a few things and found out that the ultrasonics are not working.have took the plate down from the roof ware the ultrasonics are, and found that water has gone on to the board and caused it not to work.i would guess that the water is condensation off the metal roof.i think this is a pour design something needs to cover the circuit board.hopefully this may help other people with alarm problems.

RICH, December 2010
I had the same problem and found it to be the side door. Rub the terminals on the door plate (3 silver squares) and on the door (3 springy switches) with a piece of sandpaper or wire wool to clear off any dirt or oxidizing thats built up and hey presto......no more false alarms. Finally a simple cheap fix for a Renault!!!!

WhiteVanRyan, November 2009
i have a 2002 plate renualt trafic and mine started with the same problem in the end it was the sensor on the side door so i sprayed it with wd40 and touch wood it hasnt siren for 2 months now,hope this helps

chris, March 2009
there are three wires wich go to the sounder the white one was worn through and touching the van body which caused the alarm to sound. i had this fault for a year and no garage anywhere could find or fix it. i repaired the wire and i have not had a problem since

dan, March 2009
i have a renault trafic 07 plate, when i set off the alarm only the indicators flash. Is there be a fault with the sounder? and if so where is it located?

Rob, January 2009
Quite often it is the switch on the sliding door that causes the alarm to trigger. Shutting the side loading door firmly may stop this from happening. Also the ultrasonic sensors in the cab can be over sensitive. These parts are available seperatly from your local Renault dealer and are quite an easy fit.

Lloyd Williams, September 2008
I found in the end it seems to be the siren, after disconecting all parts one at a time and leaving in the sun and wind. i unbolted the siren, cleaned the parts, bolt holes and plug and the reassembled all items and (touching wood) all seems to be ok. All i can say is try it, it wasnt difficault.

GRAHAM from Bognor., September 2008
OK I am back. I pulled down roof light panel, then pulled black plug out of circuit board on movment sensors. Now no false alarms any more in over two weeks and I can leave dog in van (not dog in van for two weeks!!!!!!) sorted in 5 mins and revesable if it's not fix this way.

Andy, July 2008
My 02 has that problem when sun on windscreen I lock van with drivers door open, by pressing lock button on dashdoard, then shut and lock drivers door with key. Van locked up without setting alarm.
I have pluged in diagnostic code reader and cleared all codes none had anything to do with alarm and it still sounds!
Next I will unplug inside sensors one at a time and let you know how I get on Andy

Andy, July 2008
I wish I knew . My 54 plate Traffic now goes off every night or day without fail usually after between 4 to 6 hours of beeing locked up. Its driving me crazy and I am now considering selling it as Renault have tols me they want £350 to investigate repair if possible and reset (plus vat)!
most auo electrician dont seem to want to tackle it. My neibours are not happy so its a real problem ??

Mart, June 2008
I have the same problem on my 53 plate, usually when the sun is out and the wind is blowing, There is a black metal casing where the header tank is bolted on, i think the alarm unit is inside this but i am not sure how you get it out from inside it.

GRAHAM from Bognor., May 2008
I dont know but I am experiencing the same problem with my trafic. The local dealer says it is located above the right hand wheel arch as you look into the engine and it sounds about right but I cannot see it. I was told it may have a back up battery unit as well so it will kick in if you do find it and unplug it. I was quoted £38.50 for them to rig up to computer and diagnose it. If you disable it it may affect your insurance. I will keep looking here to see if anyone has more idea than me.

bruce in bury, April 2008
link Click here to see other fixes for Renault Trafic.