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Home >> Lexus >> 2010 >> IS 250C Standard >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Retractable Hardtop (Diagnostic Codes (B2536-B256E) & Circuit Tests) >> Retractable Hardtop System >> DTC B2546: Combination Meter ECU Communication Stop >> Procedure

DTC B2546: Combination Meter ECU Communication Stop: Procedure

  1. REPLACE COMBINATION METER ASSEMBLY 
    1. Replace the combination meter assembly.

    NEXT: Go to next step 

  2. CLEAR DTC 
    1. Clear the DTC. Refer to DTC CHECK / CLEAR .

    NEXT: Go to next step 

  3. CHECK FOR DTC 
    1. Recheck for DTCs. Refer to DTC CHECK / CLEAR .

      OK

      DTC B2546 is not output.

    NG → REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY 

    OK → END (COMBINATION METER ASSEMBLY WAS DEFECTIVE)