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Home >> Lexus >> 2007 >> IS 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Transfer Case) >> Four Wheel Drive Control System >> DTC U0073/86 Control Module Communication Bus OFF; DTC U0100/85 Lost Communication with ECM / PCM "A"; DTC U0122/83 Lost Communication with Vehicle Dynamics Control Module; DTC U0126/84 Lost Communication with Steering Angle Sensor Module >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

Go to CAN communication system for troubleshooting (See HOW TO PROCEED WITH TROUBLESHOOTING ).

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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