Nissan Altima P1715 Input Speed Sensor Primary Speed Sensor

P1715 Description and DTC Logic


The Engine Control Module (ECM) receives the primary speed sensor signal from the Transmission Control Module (TCM) through the CAN communication line. This signal is crucial for engine control.

DTC Logic

When DTC P1715 is detected, it is essential to perform a comprehensive trouble diagnosis. The service manual advises addressing associated DTCs first, such as UXXXX, P0335, P0340, P0605, and P0607, before proceeding with the diagnosis for P1715.

P1715 Nissan Code: Causes and Tech Notes

What are the Possible Causes?

The additional article explores potential causes of the P1715 Nissan code:

  • Faulty Turbine Revolution Sensor
  • Turbine Revolution Sensor harness open or shorted
  • Turbine Revolution Sensor circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

Tech Notes

The tech notes emphasize the importance of diagnosing other related DTCs (U1000, U1001, U1010, P0335, P0340, P0345, or P0605) when P1715 is present. It also mentions a factory service bulletin for specific Nissan models, recommending the replacement of the Transmission Valve Body to address the issue.

Diagnosis Procedure and Fixing P1715

DTC Confirmation Procedure

The service manual outlines a step-by-step DTC confirmation procedure, including preconditioning and performing the confirmation process. If DTC is confirmed, a detailed diagnosis procedure is recommended.

How to Fix the P1715 Nissan Code

The additional article provides guidance on fixing the P1715 Nissan code. It suggests checking possible causes, visually inspecting the wiring harness and connectors, and looking for damaged components.

Cost to Diagnose

The cost to diagnose the P1715 Nissan code is highlighted, indicating 1.0 hour of labor. The article notes that labor rates can vary based on factors like location, make, model, and engine type.

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