Quick Demo Of How The Autowatch GHOST Immobiliser Works On A 2018 Ford Focus RS MK3. Prevent Keyless Entry Theft! In today's video and part of our recent upl You could try disconnecting the battery for a few minutes to reset the immobilizer in case it's got into a knot due to the slow discharge its had. Then lock and unlock the car to set and unset the immobilizer. Having run into a very similar problem yesterday as dodger described I googled it up and found this thread. My 57 plate Ford Focus wouldn't start yesterday; battery was dead so tried a rescue pack, and car just made a tapping noise. Today tried to jump start and nothing happens at all. Lights, radio, etc al … Step 3: Do a secondary check on the anti-theft light. If it is no longer blinking, turn the key to the “off” position and let your car sit for a couple of minutes. This allows the system to fully reset itself, or your car won’t start. Step 4: Try starting the car fully. Put your key back into the ignition and turn the car all the way on. I did swapped my original ECM back into my Ford fiesta which it wouldn't start so I swapped the ECU that I purchase that doesn't have the same VIN number to my car it started up so if I wanted to change my original ECM back into my car do I need to have my locksmith come in program my key to the car or to the ECM – The immobiliser fault code that is flashing up is code 16 which is a communication fault. It certainly is. It is a fault on the car's main CAN bus that links all the main modules together. When diagnostics are run, there may be apparent errors in many modules. The ABS appears often, but is unlikely to be the cause. This is your car immobilizer light that indicates the car is armed. The immobilizer, usually called Securi-Lock in Ford vehicles, is a passive anti-theft device that disables your vehicle’s ability to start without the key. If the car will now not start, this means there is something that has caused the immobilizer to be armed and not unarm Take the pats transponder off the steering column but leave it plugged in. With your new ignition cylinder installed turn the key to the run position for three seconds holding an original key up to the now dangling transponder ring. The theft light will be solid for three seconds and turn off if your holding the key correctly. • The PATS (Passive Anti-Theft System) is an immobilizer system that has been developed by Ford and used for the first time by Mazda in 1996 for the 121 (ZQ). In the meantime PATS has run through several stages of development. Currently Mazda uses the following variants: – I-PATS (Integrated PATS) – D-PATS (Distributed PATS) I-PATS KXdKR1f.