Lexus NX: Cruise Control Main Switch

 GSW Terminal Circuit Malfunction (B1243)

DESCRIPTION If the collision door lock release function does not operate normally, or an open or short in the GSW input circuit of the main body ECU (multiplex network body ECU) is detected, DTC B1243 will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area B1243 GS

 Lost Communication with "Seat Control Module A" (U0208)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0208 Lost Communication with "Seat Control Module A" There is no communication from the front power seat switch LH. Power source circuit of front power seat switch LH Front power seat s