Why is the immobilizer activated on a C-Max? The main reason is because the car's computer does not recognize or does not detect the signal sent by the chip which is inside the key. The most common reasons as to why this happens are: ⚠️ Low battery of the key or the remote control: the chip will not send the signal.
99 1.6 immobiliser on car wont turn off - Rattle : The head lights test is a bit poor. My dads car had this same problem and I checked the lights and they were full brightness and the battery was reading 13 volts.
Apparently this is a very common problem with earlier Mondeos and on investigation ultimately proved to be a much easier (and almost costless) fix that I'd anticipated and well within the ability of the half decent home mechanic. Method. Basically you need to remove the centre console of the car to get access to the immobiliser unit.ford focus c max immobiliser problems
