Home >> Lexus >> 2018 >> LC 500 >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Electronic A/T Shift Lever System - Diagnostic Codes (Coupe) (6 Of 6), Circuit & Symptom Tests >> Electronic Shift Lever System >> DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message [03/2017 - 05/2023] >> Monitor Strategy