G-Sensor harness is open or shorted
G-Sensor circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Wheel Speed Sensor 2 G-Sensor Circuit Low Voltage is the generic description for the P1397 Buick code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1397 Buick OBDII code.