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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Engine Control System (2UR-GSE) - Diagnostic Codes (4 Of 4)) >> SFI System >> DTC U0101: Lost Communication with TCM [11/2021 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Battery voltage 10.5 V or higher (1 second or more)
Engine switch On (IG)
Starter Off