Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
A very common problem with Nissan vehicles, usually replacing the Crankshaft Position sensor takes care of the problem.
There is a Factory Service Bulletin for all Nissan models 2007 and up:
All Nissan Models 2007 And Up Factory Service Bulletin OBDII Code P0725
The cost to diagnose the P0725 Nissan code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send a signal to the Transmission Control Module (TCM). The P0725 Diagnostic Trouble Code (DTC) is triggered when the Transmission Control Module does not receive the engine speed signal from the Engine Control Module.
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