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Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Transfer) >> Four Wheel Drive Control System >> DTC U0073/86, U0100/85, U0122/83, U0126/84: Control Module Communication Bus OFF; Lost Communication with ECM / PCM "A"; Lost Communication with Vehicle Dynamics Control Module; Lost Communication with Steering Angle Sensor Module >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different variant/trim than selected.

Go to CAN communication system for troubleshooting (See SYSTEM DESCRIPTION ).

HINT:

When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

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