Mitsubishi B1766 Verified Link

with a used part from another vehicle, you may encounter B1766 because the module is "locked" to the previous car's security ID.

Use an OBD-II scanner to read all fault codes. Save the "Freeze Frame" data (error archive) before clearing them to see if other communication errors (like U1101 or U1504) are present. mitsubishi b1766 verified