1999 Renault Megane Coupe from UK and Ireland - Comments

The plastic panel holding the IR module slides towards the windscreen, I used a wide, flat blade to ease it as it is held by 2 clips.

To remove the module, first remove the wiring harness (it slides backwards) then unclip the module by pushing the small clip on the right aside.

I'm trying to help my mother who has a Renault Megane with a faulty key. I've read all forum posts on the issue and just want to double check.

- The key doesn't show a light when I aim it at my mobile that has the IR swithched on.

- I opened the key and I don't see any problem with the leding.

- The batteries are changed (2 x 3V batteries).

-> This means that the only way to turn the engine on (but not lock the doors), is to push the central lock button with the immobilizer code..? There is no other way, with fuses or something else, instead of spending 160€ on a new key?

Appreciate any help!

Non-techy-daughter.

Hi again,

I just double checked the batteries and seems like old batteries had been fitted to the key...? The smaller red light on the key works now, but I cannot see the IR light through the camera. Someone said that the smaller light only works if the whole chip works coz it is all connected. Anyone know anything about this? Anyhow, IR light working or not, I could not reprogram the key using the instructions in this forum :(

Non-techy-daughter.

I have a renault megane coupe (98). The LED in the centre of the dash is constantly flashing rapidly (whilst engine running). Any idea why this is and how to stop it! Thanks.

It means, take it to the nearest scrap yard, hope this helps.

ok

@ Non-Techy-Daughter.

If there is no infra red light viewable through a mobile phone camera then it looks like a new key I am afraid.

Before you resign yourself (or your mother) to paying for a new key check that you can see the infra red signal from a TV remote using your phone camera, if you can then the key is at fault, if not then perhaps you may be at fault (so to sound so patronizing)

Another option, and I don't know if this will work at all, is to get hold of a key for same car and year from a scrap yard, check that it works of course! and follow programming instructions I posted earlier. Although the key will not work in the car ignition it may programme correctly to operate the central locking/immobilizer.

If it does then think of it as a key fob and to avoid any confusion you could saw the metal part off.

Hope this helps and best of luck.

"I have a renault megane coupe (98). The LED in the centre of the dash is constantly flashing rapidly (whilst engine running). Any idea why this is and how to stop it! Thanks."

Check your fuses to see if any are blown, there are two fuses that are part of the immobiliser/engine management system although I will say that normally when these are blown the car would not start at all.

Hia Folks.

I do seem very similar problem as most of people here. I’ve got Renault Megane 1.4 ’98 Rxt For unknown reason from time to time the engine despite cranking doesn’t want to start. I’ve checked petrol and filters, everything seems to be OK. I’ve disconnected the batteries hoping that this will help, unfortunately not- after 30mins of anger the problem fixed itself.

This happened few times before- I thought that this may be caused by bad winter weather or something and that the connectors got wet, but recently it happened with absolutely nice weather.

Any clues how to detect the fault and repaired it as this car becomes more and more unreliable and I don’t really want to have any more of this kind of surprises.

Please HELP!! And email me with any clues at pajkow at gmail com.

I have had the problem with my immobiliser and decided to pay 120 pounds to get a new key. The renault garage did not manage to code the new key and now telling me that they have to replace the UCH which costs a fortune. Can the immobilser be bypassed?

I've got the same problem as most other posters.

My key fob does seem to be working but the car doesn't respond.

How do I get the 4 digit code?

I tried that DOS software but didn't know what to enter when it asked for "Key Code:".

Any help would be greatly appreciated.

OK, I've worked out what the 4 digit code is but I'm not able to enter it.

When I turn the key in the ignition the red immobiliser light doesn't come on.

The Engine Management Light does flash though.

The immobiliser / central locking doesn't seem to respond at all.

When I turn the key in the driver's door it just keeps turning.

OK, it's starting to look like my problem is more than just an immobiliser problem.

When I turn the key in the ignition I don't get power to the following.

Indicators

Wipers

Drivers side window (passenger window works fine).

When I try to start the car the engine turns over but won't start.

Any help please?

Hi, I've got the same problems with immobilizer, and I'm going to try some of the suggestions, but I've just came across this site; they say they permanently disable the immobilizer, although they charge 150 quid.

http://www.remotekey.co.uk/cars/renault/megane/

Anyone who can do this for cheaper?

I have a 1997 Megane and on Sunday the key stopped working. The batteries in the keys were very low. The wipers and drivers window would not work either. I checked all the fuses and eventually 'phoned the RAC, a very helpful guy came and eventually thought that the problem had been caused by letting the batteries in the keys get exhausted. He disconnected the car battery, reconnected, put the key in the ignition and switched on the ignition for about a minute and then the car started. He said that this was like rebooting a computer. However it then played up again. He then came back on Monday with new batteries for the keys and fingers crossed everything is OK.