Faulty Crankshaft Sensor
Crankshaft Sensor harness is open or shorted
Crankshaft Sensor circuit poor electrical connection
Faulty Ignition Control Module
Engine Light ON (or Service Engine Soon Warning Light)
Ignition Control Module 4X Reference Circuit Too Many Pulses is the generic description for the P1370 Buick code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1370 Buick OBDII code.