There are a few common symptoms of a bad smart junction box. First, the box can be difficult to open. Second, the connectors in the box can become loose or corroded. Third, the box can experience problems with power and data flow. Fourth, the box might not be able to connect to the internet or other devices. Ford C-MAX (2003 - 2010) - 2004 1.6LX - central locking sequence changed. for some reason the locking sequence on my c-max has changed,I used to be able to open the hatch back with the car unlocked, now for some reason when I remotley open the car the hatch remains locked and i have too double press the boot button on the remote to open it,I can find nothing in the book that tells me how get Problem with electronic lock on 2007 fiesta 1.6. Doors were OK then started to unlock after remote locking. Swish or hissy sound then click on drivers door. Dash light indicates drivers door open, but it isn't. Took it to local FOrd dealer but all they did was to remove fuse for remote/double locking. Then I could lock using key. Hi could anyone please help maybe AdeMk1 I have Ford C max 2012 plate automatic 7 seater the two fob have stop working and it's not the battery in them the batteries are fine, and now the indicators, water for the windscreen wipers has stopped working which is all on the steering wheel. Side I had the garage looked at it and he said I need some So I'm trying to replace my driver side wing mirror on my C-max 2015 MK2. I've removed the plastic trim around the edge of the window to expose the screws for the unit, but I can't trace where the connector cable goes to. Is anybody able to shed some light on where I need to look for the connector? 20A Driver’s door lock, double lock, fuel flap lock lock (2015-2018) 67: 7.5A Infotainment display, SYNC module, GPS module, telephone (Energi) 68: 15A Electric steering column lock: 69: 5A Instrument cluster: 70: 20A Central locking: 71: 7.5 / 10A Air conditioning system, heater control unit (mechanical air conditioner (Hybrid, Energi)) 72 The electronic key has 3 buttons, Lock, unlock and Boot. What should the Boot button do? Until this week, the Unlock button unlocked the doors and the boot. This week, it only unlocks doors. The boot key unlocked the boot when pressed twice. It now takes a number of presses of the Boot button to The cause of the problem appears to be, 1 The use of the switch acts like a bellows and sucks air in. 2 As the metal plate cools it allows the water in the air to condense out. There's not a lot that can be done about 1 but you could replace the metal flap with a plastic one (as I have done). R8NZeN.

ford c max central locking problems