Mitsubishi B1766 Verified ((install)) May 2026

For professional assistance or specialized tools, you can refer to the official Mitsubishi Tech Info portal or visit a certified dealer for key re-programming. Code No.B1766: Transponder registered for other vehicle

: Usually results in a "No Start" condition because the ECU does not verify the key as authentic to that specific VIN. Probable Causes : mitsubishi b1766 verified

: Owners who lose their original keys and source a used key from a salvage yard will trigger B1766 because the transponder chip in that used key is permanently "locked" to its original vehicle. For professional assistance or specialized tools, you can

: Installing a used ETACS-ECU from another car often triggers this code (and potentially P0513) because the ECU expects the keys and VIN from its original donor car. : Installing a used ETACS-ECU from another car

Using a key (or electric motor key) belonging to a different Mitsubishi vehicle.

If re-registration fails and the wiring (power, ground, and communication) is verified as normal, the service manual dictates replacing the or Immobilizer-ECU .

: Using a specialized scan tool like the Mitsubishi M.U.T.-III , clear the existing key memory and perform a fresh registration for all ignition keys belonging to the car.