Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (W/O Canister Pump Module) - Diagnostic Codes (5 Of 5) & Circuit Tests (1 Of 2) >> SFI SYSTEM (w/o Canister Pump Module) >> DTC U0101-87: Lost Communication with TCM Missing Message [12/2021 - ] >> Monitor Strategy