If you replace the clock spring, OCS mat, or SRS-ECU, you must perform a “zero point calibration” using a professional diagnostic tool. Simply plugging in the new part will not turn off the B1766 code. The system needs to learn the new component’s resistance values.
However, depending on the specific model year and chassis (e.g., Mitsubishi Outlander II vs. Lancer IX), B1766 can also refer to a communication failure between the SRS-ECU and the occupant classification sensor (OCS) located under the passenger seat. mitsubishi b1766
Using a brand-new key that has not yet been correctly programmed to the car's ECU. A malfunction or internal fault within the immobilizer-ECU or ETACS-ECU. Mitsubishi Tech Info Diagnostic & Troubleshooting Steps If you replace the clock spring, OCS mat,
The SRS-ECU stores this code in non-volatile memory. A 12v battery disconnect will only clear temporary glitches, not a hard circuit fault. Only a scan tool or fixing the underlying issue will clear B1766. However, depending on the specific model year and chassis (e