The repair cost varies wildly based on the root cause. Here is a realistic 2025 estimate for US and European markets:
Check if any of your other registered keys can start the vehicle. If one key works and the other triggers B1766, the issue is isolated to that specific key. Step 2: Perform a Key Re-registration mitsubishi b1766
The B1766 code is a manufacturer-specific diagnostic trouble code (DTC) that typically points to a or a “Open Circuit in the Squib (Airbag) Loop.” In simpler terms, the computer that controls your airbags (the SRS-ECU) has detected an abnormal resistance or a complete loss of signal to one of the critical airbag modules. The repair cost varies wildly based on the root cause
This guide is for informational purposes. Airbag systems contain explosives. If you are not 100% confident in your electrical skills, take your Mitsubishi to a certified technician. Step 2: Perform a Key Re-registration The B1766