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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Dynamic Torque Control AWD System - Diagnostic Codes, Circuit Tests & Symptom Tests) >> Dynamic Torque Control AWD System >> TRAIL Switch Circuit [10/2022 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

When the 4WD ECU assembly is replaced, before removing the 4WD ECU assembly, it is necessary to perform ECU Data Save to save the original 4WD ECU assembly information.

Refer to CALIBRATION [10/2022 - ]

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