406oc.co.uk

Exactly what happened to mine. In my case it was corrosion/water in the multi-pin connector under the driver's footwell carpet that caused the battery to drain and caused the immobiliser fault. Worth a check.

It was them connectors what caused the trouble for any desperate broken 406 fans who come across this thread in the future. Necessary details for a fix might appear here soon: http://www.peugeot406coupe.com/phpBB3/v ... =5&t=39194

Just thought I'd pop in and say hi. I'm the recent new owner of a 406 Coupe 2.2Hdi which worked for a week but has been off the road for the last 2 weeks with an immobiliser fault. Started off with the plip not working, and I was unable to turn off the alarm (not recognising the key either). Wipers ...