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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Hybrid Control System - Diagnostic Codes (6 Of 6) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for PHEV Model) >> DTC U1157-87: Lost Communication with Drive Motor Control Module "A" (ch3) Missing Message [12/2023 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs U1157: Lost communication with drive motor "A" control module (motor local bus) (verify communication)
Required Sensors/Components Motor generator control ECU
Frequency of Operation Continuous
Duration 1 second
MIL Operation Immediate
Sequence of Operation None