DTC B1243 GSW Terminal Circuit Malfunction: Description

If the collision door lock release function does not operate normally, or an open or short in the GWS input circuit of the main body ECU is detected, DTC B1243 Will be output.

HINT:

If DTC B1243 is output, the speed-sensitive automatic door lock function, shift-linked automatic door unlock function, and collision door lock releases function will be prohibited.