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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 B2542: Abnormal Luggage Door Drive Motor LH Pulse >> Description

DTC B2542: Abnormal Luggage Door Drive Motor LH Pulse: Description

The sliding roof control ECU assembly controls the speed of the luggage door using pulse signals that are generated by the rotation of the luggage door drive gear assembly LH (luggage motor LH).

DTC No. Detection Condition Trouble Area
B2542 Pulse signals do not occur during luggage door drive gear assembly LH (luggage motor LH) operation or pulse signals show abnormal value.
  • Luggage compartment door hinge assembly LH
  • Wire harness or connector
  • Luggage door drive gear assembly LH (luggage motor LH)
  • Sliding roof control ECU assembly