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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (4 Of 4) & Circuit Tests) >> Hybrid Transaxle System >> DTC U117E-87: Lost Communication with Drive Motor Control Module "A" (ch4) Missing Message [09/2023 - ] >> Monitor Description

Monitor Description

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.

When communication between the TCM and motor generator control ECU is not possible, the TCM judges that there is a CAN communication error, the MIL is illuminated and a DTC is stored.

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