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Home >> Lexus >> 2010 >> IS 350C >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Retractable Hardtop (Diagnostic Codes (B2536-B256E) & Circuit Tests) >> Retractable Hardtop System >> DTC B2545: ECM Communication Stop >> Description

DTC B2545: ECM Communication Stop: Description

The sliding roof control ECU assembly receives shift position and engine speed signals via CAN communication from the ECM and changes the control constant and operation permission condition of the metaltop system.

DTC No. Detection Condition Trouble Area
B2545 When the engine switch is on (IG), the shift position switch signal or engine speed signal is interrupted for 5.5 seconds or more.
  • ECM
  • Network gateway ECU
  • Sliding roof control ECU assembly