Have recently purchased Focus C-Max 1997cc Diesel (1 st reg 03/2004) - I believe this is a 2.0l Duratorq TDCi. Engine has done 61K. Vehicle fitted with an electric parking brake. 1st problem was 'Limi … read more Ford Model: C-max. Ford Year: 2014. UK/Ireland Location: Kent. Posted November 16, 2018. I just had an immobiliser problem with my C-max. Engine wouldn’t turn over and the screen told me there was an immobiliser malfunction service required. i tried a few things, switching off, locking the car, setting and unsetting the alarm. Hi guys, this is my first posting here. To be honest, I don't know much about cars and am at the edge about my Ford Focus problem. Hopefully, someone can help me here. I can't afford to spend more money into it. The problem description is as follows: Car won't start and immobiliser lights flashing. Engine won't even turn. I went to start the car tonight and the immobiliser seems to have been tripped. Now I can't start the car, and you can't even feel the click from the ignition off to on position. Is there anyway to reset the car? I can still lock and unlock with the remote, but the ignition seems to have gone dead, and the immobiliser symbol is flashing. Ford Focus C-max: Hi there, I have a Ford C-Max 1.6 tdci that Hi there, I have a Ford C-Max 1.6 tdci that won't start. I called the AA out and was told that the injectors were at fault, I have changed the injectors and and the fuel filter as I found that they co … Tue 29 Oct 2002 21:13. Ford Focus immobiliser/fuel cut off - Blue {P} Nope, but I'm assuming that the fuel cut off is similar to my Fiesta, which is similar to my mate's Mondeo. If you have a bump (even minor) the car is designed to cut the fuel supply immediately, to reset it you have to press down on a switch in the passenger footwell. The LED lights still kept on flashing fast. I have done self-diagnostics and the car gave DTC codes D900, E510 and D147. The RAC then came and used his scanner and gave more detailed codes P1662 (immobiliser ID does not match), U0140 (loss communication with body control module) and P1662 (theft detected). Top garages for Ford Immobiliser Faults ( 8,144 found) H&R MOTORS. 1080 Jobs Completed ST. HELENS. 3.6 / 5. We are a small business based in merseyside currently operating the north west area. We specialise in auto electrical, mobile repairs, and mobile tyres. View Profile. Hi, after battery drain,on Ford S-MAX, immobiliser active message show on dashboard, car not starting. Changed another battery, wait couple hours without batery to reset immo, no success. After scan got these dtc's: U0415 Invalid data received from ABS control module. U0416 Invalid data received from Vehicle Dynamic Module (VDM) Generally speaking, immobilizer systems incorporate the security technology either in the ignition switch/lock or in the key, either in form a low-tech resistor or a high tech RFID encrypted chip. The key had a pellet-style resistor integral to the key shank. There are 15 different key blanks with resistance from 402 to 11.2k ohms. WsSJrU.