the immobiliser light just flashes. It should flash out a code. Google PATS flash codes. or see: That will help to see if the problem is the key or the car. Forscan is a low cost diy diagnostic system that can reprogramme the immobiliser (PATS) on most Fords, apart from some of the latest models. I am pretty sure it will do a Mk7 Fiesta. If still no start, Go to FDS2000. Fault: Engine cranks but does not start. LED illuminates for 4 seconds and goes out (PATS is working correctly, fault elsewhere in system) Check: Power supply to PCM or fuel pump (diesel), if still no start, Go to FDS2000 Check PCM fault, Go to FDS2000 (Petrol and Gas engines) Fault: Engine starts but LED stays on. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to validate the digit and resume, replicate the process until you have entered the full code. This should let you start your Ford Focus C-max without having to remove the the immobiliser light flashes rapidly. Try googling PATS flash codes, or see: It may give a clue as to why the immobiliser has a problem. I do not see how it can be the ignition key switch itself. However the PATS sensor coil is usually fitted directly around the ignition key barrel. That could be dodgy, possibly. Hi Guys. I drive a 2012 Ford Focus Manual. Recently a message has started flashing on my dash when I start the car saying "Immobilizer active Check handbook". Its strange because if I turn the ignition off and turn it on again the car starts fine. Any idea why this is happening? Insert one working key into your ignition and cycle the key to the "On" position and back to the "Off" position.2. Remove the first key and insert a second key within five seconds to cycle it from "On" to "Off."`3. Insert your new key within 10 seconds of removing the second key and turn it to the "On" position.4. Immobilizer Problems, Symptoms #12: Difficulty in Key Insertion or Removal. If inserting or removing the key from the ignition becomes increasingly difficult, it might be more than just a worn-out key or ignition. Sometimes, a faulty immobilizer system may prevent the key from smoothly turning or getting ejected. 7. Name: peter. Ford Model: mondeo titanium x 2.0 tdci. Ford Year: 2011. UK/Ireland Location: London. Posted May 20, 2018. I have mk4 mondeo titanium x, my problem is my dash has come up immobiliser active so i cannot start my car, any ideas please. Sent from my SM-G950F using Tapatalk. Basically can't start it immobiliser has kicked in can't turn engine over. Can't get a fault code because the red light on console is constantly flickering , got engine warning light on. Have replaced battery previous owner had a standard lead in there so swapped for a ca battery . P5EN.

ford focus c max immobiliser problems