Home >> Lexus >> 2021 >> LC 500h >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests (1 Of 2) >> Hybrid Control System >> DTC P3123-87: Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message [01/2017 - 05/2023] >> Typical Enabling Conditions