Detection Condition
WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
DTCs P1244, P1245, or P1246 indicates Generator Load Input (GLI) is not within a calibrated limit for a calibrated amount of time.GLI signal is sent to the PCM from the voltage generator/regulator and is a variable frequency duty cycle. GLI signal is used by the PCM to determine generator load on the engine. As generator load increases, PCM will adjust idle speed accordingly.