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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Power Steering) >> Electronic Power Steering System >> DTC U0073 Control Module Communication Bus OFF; DTC U0105 Lost Communication with ECM; DTC U0121 Lost Communication with Anti-lock Brake System (ABS) Control Module >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC 
    1. Using the intelligent tester, check for CAN communication system DTCs (See DIAGNOSIS SYSTEM ).

    NEXT: GO TO CAN COMMUNICATION SYSTEM TROUBLESHOOTING (SEE  HOW TO PROCEED WITH TROUBLESHOOTING 

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