Had same problem, located a blue multiplug near steering wheel.When I disconnected it I found one of the pins slightly bent this was straightened and refitted.
Now all works fine.
Chris
May 2007
I can answer this question...
MY PEUGEOT 406GTX 1999 CLIMATE CONTROL NOT WORKING?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.