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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission System (2GR-FSE,Aa81E) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> AUTOMATIC TRANSMISSION SYSTEM (for 2GR-FSE) >> DTC U0100: Lost Communication with ECM / PCM "A" [09/2014 - 11/2017] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2017 Lexus RC 350, 2016 Lexus RC 350, and 2015 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
The monitor will run whenever the following DTCs are not present None
Battery Voltage 10.5 V or more
Engine Switch On (IG)
Starter OFF