Engine-CodesInfiniti – P0715 Infiniti

P0715 Infiniti Code - Input Speed Sensor Circuit

Quick Answer

The P0715 code for Infiniti vehicles indicates an issue with the Input Speed Sensor Circuit. Common causes include Faulty Input Speed Sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0715 Infiniti indicates Input Speed Sensor Circuit.
Common causes
Common causes include Faulty Input Speed Sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0715 Infiniti Description

The P0715 code for Infiniti vehicles indicates an issue with the Input Speed Sensor Circuit. The Input Speed Sensor is a critical component of the vehicle's transmission system, responsible for monitoring the speed of the input shaft inside the transmission. This information is crucial for the transmission to shift gears at the right time, ensuring smooth operation and optimal performance. When this sensor malfunctions or fails, it can lead to a range of problems that affect the vehicle's drivability and overall performance.

OBDII Code P0715 Infiniti - Input Speed Sensor Circuit
P0715 Infiniti Code - Input Speed Sensor Circuit

Common Causes of P0715 Infiniti

  1. Faulty Input Speed Sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning ECM
  4. Internal transmission issues
  5. Low transmission fluid level

Symptoms of P0715 Infiniti

  1. Erratic shifting or difficulty changing gears
  2. Delayed engagement when shifting into gear
  3. Harsh or rough gear changes
  4. Transmission slippage
  5. Illumination of the Check Engine Light

How to Fix P0715 Infiniti

  1. Perform a diagnostic scan to confirm the P0715 code and identify the exact cause of the issue.
  2. Inspect the Input Speed Sensor and its wiring for any damage or corrosion. Replace the sensor if necessary.
  3. Check the transmission fluid level and quality. Top up or replace the fluid as needed.
  4. Test the ECM for proper functioning and reprogram or replace it if required.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0715 Infiniti

The cost of repairing a P0715 code in an Infiniti vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that prices may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive rates. It's advisable to get a few quotes from different auto repair shops to find the best price for your specific situation.

Tech Notes for P0715 Infiniti





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When is the Code Detected?

Diagnostic Trouble Code (DTC) P0715 is detected when TCM or ECM does not receive the proper signal from the sensor.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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