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Home >> Lexus >> 2021 >> RX 350L AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Dynamic Torque Control AWD System - Diagnostic Codes & Circuit Tests >> Dynamic Torque Control AWD System >> DTC U0073: Control Module Communication Bus Off [08/2019 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:

When the 4WD ECU assembly is replaced with a known good one from another vehicle, it is necessary to perform calibration.

Refer to CALIBRATION [09/2015 - ]

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