LEXUS: SUPPLEMENTAL RESTRAINT SYSTEMS. SOME MODEL VEHICLES MAY EXHIBIT AN SRS LIGHT ON CONDITION WITH DTC B1861 AND/OR B1866. AFTER CONFIRMING THE VEHICLE CONDITION MATCHES THE BULLETIN, IT WILL DIRECT YOU TO REPLACE THE INSTRUMENT PANEL WIRE HARNESS. MODELS LS460 (2007-09); LS600H (2008-09). *PE