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DTC B1248: AVC-LAN Communication Impossible: Procedure

  1. CHECK OPERATION 
    1. Check for AVC-LAN communication DTCs.

      OK

      AVC-LAN communication DTCs are not output, and there are no symptoms specified in the problem symptoms table.

      Result

      Result Proceed to
      OK A
      NG (w/o Navigation System and w/o Multi-display) B
      NG (w/o Navigation System and w/ Multi-display) C
      NG (w/ Navigation System) D

    B → See step   3 

    C → See step   4 

    D → See step   5 

    A → See step   2 

  2. REPLACE GATEWAY ECU. Refer to  REMOVAL [08/2012 - ] 
  3. GO TO AUDIO AND VISUAL SYSTEM (w/o Multi-display). Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2012 - ] 
  4. GO TO AUDIO AND VISUAL SYSTEM (w/Multi-display). Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2012 - ] 
  5. GO TO NAVIGATION SYSTEM (for HDD). Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2012 - ] 
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