I went to Mercedes and asked how much for a backup key and fob - central locking, immobiliser but no transponder or alarm (as far as I know). I was fairly stunned when I learned it would cost £120. I have since learned that, apparently, the AA and RAC can bypass these immobilisers and £16 will buy a new blade which works all locks. 8 07-03-2016, 05:10 AM. Yes but it is more likely that key antenna is defective if you have the original key and it used to work. Go to Ross-Tech wiki and study immobiliser section for your car. This should tell you which channels you must look in to see the key id in live data. Or use a scan tool if you don't have VCDS. This page focuses on immobilizer 2 specific information and procedures (about 2000-2002). For general immobilizer information and troubleshooting, see 1000q: immobilizer general information. If your TDI is 1999 or earlier, it does not have an immobilizer. VW started introducing the immobilizer in 2000. If you have a 2003, see 1000q: immobilizer 3. 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 confirm the digit and resume, replicate the operation until you have entered the entire code. This should let you start your Volkswagen Crafter 2 without having to remove the 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, repeat the process until you have entered the full code. This should enable you to start your Isuzu D-Max without having to remove the immobiliser. Re: Possible to disable immobilizer. The immob fault is probably a one off. If the starting problem is the immobiliser, the engine will start for 1 or 2 seconds and then stop. Your problem could be air in the fuel lines, coolant temp sensor, starter, battery voltage & earth, timing, temp sensor or glow plug fault. Effectively Disable the VW Immobilizer 4 (IMMO4) - YouTube © 2024 Google LLC This video is applicable to many modern ignition systems but is specifically for the Push-to-Start Volkswagens made GCRNWaW.