DTC B1493: Generator "F" Terminal High: Description

DTC B1493 will set when a fault exists that is causing generator "F" terminal to read HIGH continuously. This DTC will be set when engine is running, and PCM is sending "engine RPM is zero" and "generator PWM is equal to or greater than 64 percent duty cycle" class 2 data messages for 30 seconds. When DTC B1493 is set, VOLTS indicator will illuminate. DTC B1493 can be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.

DTC B1493 will set when a fault exists that is causing generator "F" terminal to read HIGH continuously. This DTC will be set when engine is running, and PCM is sending "engine RPM is zero" and "generator PWM is equal to or greater than 64 percent duty cycle" class 2 data messages for 30 seconds. When DTC B1493 is set, VOLTS indicator will illuminate. DTC B1493 can be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.