Home >> Lexus >> 2021 >> UX 250h Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (Diagnostic Codes) (4 Of 5) >> Hybrid Control System >> DTC P3123-87: Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message [10/2018 - ] >> Typical Malfunction Thresholds