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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Hybrid Control System - Diagnostic Codes (7 Of 7) & Circuit Tests (1 Of 2)) >> HYBRID CONTROL SYSTEM (for PHEV Model) >> DTC U0111-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message [08/2023 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. 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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