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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 U1176-87: Lost Communication with Gear Shift Control Module "A" (Powertrain Bus) Missing Message [12/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

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.
WARNING:

Refer to the precautions before inspecting high voltage circuit.

Refer to PRECAUTION [12/2023 - ]

NOTE:

Ensure there is no power being supplied to the vehicle when disconnecting or reconnecting the connector of the shift control ECU or shift control actuator ECU, and when removing or installing the shift control ECU or shift control actuator ECU.