Possible causes

– Faulty crankshaft position sensor
– Crankshaft position sensor harness is open or shorted
– Crankshaft position sensor circuit poor electrical connection
– Signal plate may be damage
– Starter motor may be faulty
– Starting system circuit
– Dead or weak battery

Tech notes

Sometimes and in some models, low battery voltage or a weak starter can can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replaced battery.

There is a service bulletin for the following Nissan models:

2004