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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Hybrid Control System (For Lithium-Ion Battery) - Diagnostic Codes (4 Of 4) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> DTC U0111-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message [08/2020 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs U0111 (INF U0111-87): Lost communication with BECM (Battery bus) verify communication
Required sensors/components Main: Battery ECU assembly
Sub: Hybrid vehicle control ECU
Frequency of operation Continuous
Duration TMC's intellectual property
MIL operation Immediately
Sequence of operation None
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