DTC B2543: Abnormal Difference between RH and LH Luggage Door Drive Motor Pulse: Description

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

DTC No.	Detection Condition	Trouble Area
B2543	Pulse count difference between the right and left luggage motors is 200 pulses or more.	Luggage compartment door hinge assembly RH Luggage compartment door hinge assembly LH Wire harness or connector Sliding roof control ECU assembly