Crankshaft Position Sensor: Testing and Inspection

The scan tool scan tool displays crankshaft position sensor data as engine speed (RPM). An error in the crankshaft position sensor circuit should set a Diagnostic Trouble Code (DTC) P0336, P0337, P0338, or a P0339. Refer to DTC P0336 Crankshaft Position Sensor (CKP) Sensor Circuit Performance or DTC P0337 CKP Sensor Circuit Low Frequency or DTC P0338 CKP Sensor Circuit High Frequency or DTC P0339 CKP Sensor Circuit Intermittent. Testing and Inspection