Faulty Transponder Or Lost Key
- The transponder is integrated in the ignition key and cannot be replaced separately.
- If the transponder is faulty, the entire ignition key or the transmitter must be replaced.
-- Order a replacement key through the distributor or importer with the transmitter with the vehicle-specific lock number using the VIN.
Immobilizer Generation 1, 2, 3 and 4:
-- Perform in the "Off-board Diagnostic Information System Service" the function "vehicle key adaptation" or "vehicle key, immobilizer programing" from the Vehicle Diagnostic Tester.
-- All vehicle keys must be adapted.
Immobilizer from Generation 5:
-- Perform in the "Off-board Diagnostic Information System Service" the "immobilizer, servicing" and adapt the program to the vehicle key in the Vehicle Diagnostic Tester.
-- All vehicle keys must be adapted.