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Home >> Lexus >> 2011 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Four Wheel Drive Control System (Diagnostic Codes & Circuit Tests) >> Four Wheel Drive Control System >> DTC U0073/86: Control Module Communication Bus OFF; DTC U0100/85: Lost Communication with ECM / PCM "A"; DTC U0126/84: Lost Communication with Steering Angle Sensor Module; DTC U0129/83: Lost Communication with Brake System Control Module >> Inspection Procedure
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Inspection Procedure

Go to CAN communication system for troubleshooting. Refer to 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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