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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 U117F-00: Lost Communication with Drive Motor Control Module "A" (ch5) (System 2) Missing Message [09/2023 - ] >> Description

DTC U117F-00: Lost Communication with Drive Motor Control Module "A" (ch5) (System 2) Missing Message [09/2023 - ]: 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.

The TCM receives signals from the EOP ECU via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
U117F-00 Lost Communication with Drive Motor Control Module "A" (ch5) (System 2) Missing Message Communication malfunction between the EOP ECU and motor generator control ECU (1-trip detection logic).
  • Hybrid motor control inverter assembly
  • Harness and connector
Comes on Transmission A SAE: U117F