8/30/2023 0 Comments Reset key bat vw polo![]() ![]() For most cases the function of using a fob to get into the car and the function of the fob allowing the car to start are separate. V.W dealers and locksmiths use software tools akin to hacking tools to access the ECU and recode immo and link fobs. ![]() VCDS deliberately has limited functions to fix electronic locking and immobiliser faults for good reason. But this was integrated on later fob circuits. ![]() Only the immobiliser is a separate function with a separate RFID chip in the corner of the case. The door unlock and alarm release are combined together as one function. If it's a new fob or it's a different code used on another vehicle or generation, it won't pair using the driver procedure. That's because the normal pairing procedure uses keys pre- programmed in the ECU when it was first dealer paired or won't be there if the car never had a second fob. To the OP: Is this a fob you have had working on your car before, or is it a fob you have just bought? If it's a fob you bought that has never worked on the car, it will need a dealer or auto locksmith to pair it to the ECU. They have a storage capacitor which allows a short time for battery swaps, but if the battery is put in the wrong way or a metal tool shorts anything out, the residual voltage goes along with the stored key code ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
September 2023
Categories |