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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for 1Motor-HEV Model) >> DTC U117E-87: Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message [09/2023 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs U117E: Lost communication with MG ECU verify communication
Required Sensors/Components Main: Motor generator control ECU (MG ECU)
Sub: Hybrid vehicle control ECU assembly
Frequency of Operation Continuous
Duration TMC's intellectual property
MIL Operation Immediate
Sequence of Operation None
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