DTC B254F: Unequal RH and LH Back Window Panel Pulse Sensor values Malfunction: Description

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

DTC No.	Detection Condition	Trouble Area
B254F	Pulse count difference between the right and left back window motor is 200 pulses or more.	Sliding roof drive gear assembly (back window motor RH) Sliding roof drive gear assembly (back window motor LH) Wire harness or connector Sliding roof control ECU assembly