P1715 Nissan Code Solved: Tips For Dealing With Transmission Issues

Welcome, fellow Nissan owners and avid mechanics!

Today, we’re here to uncover the secrets of a common trouble code that might have left you scratching your head: P1715 Nissan.

If you’ve encountered this code during a scan or noticed unusual behavior in your Nissan vehicle, fear not!

In this blog post, we’ll explore P1715: its meaning, severity, symptoms, causes, as well as diagnosis and repair process. Gain a clear understanding of this code and learn how to address it in your Nissan vehicle.

Let’s dive in!

P1715 Nissan: A Quick Overview

Here’s a quick overview of the P1715 code for Nissan. Check it out!

Definition: Input Speed Sensor (Primary Speed Sensor/TCM Output)
Severity: Medium
DIY Skill Level: Advanced
Continue To Drive?: Yes (at a safe speed)
Estimated Repair Cost: $100 – $500

Understanding The P1715 Code In Nissan Vehicles

The P1715 code is a diagnostic trouble code commonly encountered in Nissan vehicles. It relates to issues of the input speed sensor and its circuit, which are crucial components of the transmission system. Let’s explore what this code means and how it can be triggered.

In Nissan vehicles, the input speed sensor monitors how fast the transmission’s input shaft rotates. It provides essential information to the transmission control module (TCM) about the transmission’s input speed. This data helps the TCM make decisions regarding gear shifting, torque converter lock-up, and overall transmission performance.

Nissan input speed sensor diagram — The diagram depicts the input speed sensor (number 1) in a Nissan Rogue’s transmission system, commonly positioned below the starter on the engine.
(Credit: nirogue.com)

When the input speed sensor circuit malfunctions or fails to provide accurate data, it triggers the P1715 code. It’s worth noting that the P1715 code is commonly found in Nissan models including the Nissan Rogue, Sentra, Altima, Murano, Pathfinder, and Versa.

Additionally, the P1715 code is often associated with other codes like P1778, which indicates critical CVT failure, and P0776, which relates to pressure control solenoid performance. It’s important to address the P1715 code promptly to prevent further damage to the transmission system.

Oh No! How Serious Is The P1715 Code?

The P1715 code has a moderate severity level. While it’s not considered a critical issue that requires immediate action, it shouldn’t be ignored either. Driving with the P1715 code present may lead to irregular shifting, decreased fuel efficiency, and potential transmission issues.

Always prioritize safety and drive at a safe speed. It’s highly recommended to address the code as soon as possible to prevent further damage to the transmission system.

Even though you can still drive with the code, you should have a qualified mechanic inspect your vehicle at your earliest convenience. They will diagnose the underlying cause and perform the necessary repairs to ensure your car continues to perform well and stays reliable for the long haul.

Remember, timely attention to the P1715 code can help avoid more severe transmission problems down the road.

Common Symptoms Of The P1715 Code

When the P1715 code is triggered in a Nissan vehicle, it can manifest through various symptoms, including:

Illuminated Check Engine Light
Irregular shifting or hesitation during gear changes
Harsh or delayed engagement when shifting gears
Decreased fuel efficiency
Transmission slipping or jerking

If the P1715 code is accompanied by the P0776 code, you may also experience the following:

Hesitation and/or reduced power

If the P1715 code is together with the P1778 code, you may observe the following:

Check Engine Light, AWD light, and ABS light all coming on
Codes being triggered only when the transmission is cold and disappearing when warm

Causes Of The P1715 Code In Nissan Vehicles

The P1715 code in Nissan vehicles can be caused by several factors, such as:

Open or shorted CAN communication line
Open or shorted input speed sensor circuit
Faulty input speed sensor
TCM malfunction

Let’s Get Technical: Diagnose & Resolve P1715 Nissan Code

When dealing with the P1715 code in Nissan vehicles, the main solution typically involves the following steps:

Diagnostic Tools And Essential Parts

OBD-II scanner
Mechanical CVT repair tools
Replacement input speed sensor (if necessary)
TCM reprogramming or replacement tools (if necessary)

Step-by-Step Guide To Repairing The P1715 Nissan Code

Use an OBD-II scanner or code reader to retrieve and note any additional codes present in the system.
Inspect the wiring and connectors related to the input speed sensor circuit for any damage, loose connections, or corrosion.
Test the input speed sensor using a multimeter to ensure it is functioning properly.
If the sensor is faulty, replace it with a new one, ensuring proper alignment and positioning.
Perform mechanical CVT repair if needed, addressing any internal issues or failures. This may involve:

Replacing the CVT belt or chain if worn or damaged
Repairing or replacing pulleys or cones if they are faulty
Repairing or replacing the valve body if it is damaged
Replacing faulty bearings within the CVT

If the P1715 code persists, consider reprogramming or replacing the TCM to ensure proper communication and functionality.

Notes: It is crucial to follow manufacturer guidelines and consult service manuals for specific procedures and specifications during CVT repair and TCM replacement.

Check out this video to learn the TCM Replacement steps on a Nissan by Grim Repair.

DIY Repair Level And Estimated Costs

The diagnostics and repairs for the P1715 code, particularly mechanical CVT repair, and TCM replacement, often require advanced automotive knowledge and specialized tools. You should consult with an experienced mechanic or authorized dealership for these repairs.

Costs for repairing the P1715 Nissan code can vary significantly depending on the extent of the issue, the specific vehicle model, and labor rates. It is advisable to consult with a professional for an accurate cost estimate. Below is a breakdown:

Repair Task	Estimated Cost Range
Wiring and Connectors Repair/Replacement	$100 – $500
Input Speed Sensor Replacement	$100 – $300
Mechanical CVT Repair	$500 – $1500
TCM Reprogramming	$100 – $300
TCM Replacement	$300 – $800

P1715 Nissan Infographic

Final Thoughts

In a nutshell, fixing the P1715 Nissan code requires a careful approach and targeted repairs. But don’t worry! You don’t have to face it alone.

Reach out to a skilled mechanic or authorized dealership who can guide you through the process with expertise and a friendly smile.

If you found this information helpful, why not spread the love?

Share it with your friends and family who might be dealing with the same issue.

And hey, we’re all ears for your thoughts and experiences too! Drop us a comment below, and let’s keep the conversation rolling.

Reference Sources

Nissan North America, 2018, Technical Service Bulletin AT18-009.
Nissan Rogue, Service Manual: P1715 input speed sensor.
Nissan Sentra, Service Manual: P1715 input speed sensor.
Nissan Altima, Service Manual: P1715 input speed sensor.
JustAnswer, Code P1715 Question – Answered by Nissan Mechanic Ron.