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Engine-Codes – Generic – P2765

P2765 Code - Input/Turbine Speed Sensor 'B' Circuit

Quick Answer

The P2765 trouble code refers to the Input/Turbine Speed Sensor 'B' Circuit. Common causes include Faulty Input/Turbine Speed Sensor 'B', Damaged wiring or connectors related to the sensor, Issues with the transmission control module. 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
P2765 indicates Input/Turbine Speed Sensor 'B' Circuit.
Common causes
Common causes include Faulty Input/Turbine Speed Sensor 'B', Damaged wiring or connectors related to the sensor, Issues with the transmission control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P2765 Description

The P2765 trouble code refers to the Input/Turbine Speed Sensor 'B' Circuit. This sensor is responsible for monitoring the speed of the transmission input shaft. The information gathered by this sensor is crucial for the vehicle's transmission control module to determine the appropriate shift points and ensure smooth operation of the transmission. When this sensor malfunctions or fails to provide accurate data, it can lead to issues with shifting, fuel efficiency, and overall performance of the vehicle. If left unaddressed, this problem can cause further damage to the transmission system and potentially lead to more costly repairs down the line. The underlying cause of this code could stem from issues with the sensor itself, wiring/connectivity problems, or issues within the transmission control module.

OBDII Code P2765 - Input/Turbine Speed Sensor 'B' Circuit
P2765 Code - Input/Turbine Speed Sensor 'B' Circuit

Common Causes of P2765

  1. Faulty Input/Turbine Speed Sensor 'B'
  2. Damaged wiring or connectors related to the sensor
  3. Issues with the transmission control module
  4. Low transmission fluid levels
  5. Electrical interference or signal disruption

Symptoms of P2765

  1. Harsh or erratic shifting
  2. Delayed engagement when shifting gears
  3. Transmission slipping
  4. Loss of power or acceleration
  5. Illumination of the check engine light

How to Fix P2765

  1. Perform a diagnostic scan to confirm the P2765 trouble code and pinpoint the exact cause of the issue.
  2. Inspect the wiring harness and connectors for any signs of damage or corrosion. Repair or replace as needed.
  3. Test the Input/Turbine Speed Sensor 'B' using a multimeter to check for proper functionality. Replace if faulty.
  4. Clear the trouble code from the vehicle's computer and reset the transmission control module.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is operating smoothly.

Cost to Fix P2765

The repair costs for addressing the P2765 trouble code can vary depending on the specific cause of the issue. On average, you can expect to pay anywhere from $150 to $400 for parts and labor. Keep in mind that prices may fluctuate based on your location, the make and model of your vehicle, and the rates charged by the auto repair shop you choose. It's recommended to obtain quotes from multiple shops to ensure you're getting a fair price for the necessary repairs.

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Code P2765 Information for Specific Makes

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.

Frequently Asked Questions about P2765 Code

1. What are the common symptoms of OBDII code P2765?

The common symptoms of OBDII code P2765 include erratic shifting, transmission slipping, and the transmission going into "limp mode."

2. What are the possible causes of OBDII code P2765?

Possible causes of OBDII code P2765 include a faulty input/turbine speed sensor 'B', damaged wiring or connectors, low transmission fluid levels, or a malfunctioning transmission control module.

3. How can I diagnose OBDII code P2765?

To diagnose OBDII code P2765, you can use a scan tool to read the code, inspect the wiring and connectors related to the input/turbine speed sensor 'B', and perform a resistance test on the sensor itself.

4. Can driving with OBDII code P2765 cause further damage?

Continuing to drive with OBDII code P2765 may lead to further damage to the transmission system, as the sensor is crucial for proper transmission function. It is recommended to address the issue promptly.

5. How can OBDII code P2765 be repaired?

Repairing OBDII code P2765 typically involves replacing the faulty input/turbine speed sensor 'B', repairing any damaged wiring or connectors, and clearing the code with a scan tool.

6. How much does it cost to repair OBDII code P2765?

The cost of repairing OBDII code P2765 can vary depending on the extent of the issue, the cost of parts, and labor rates. It is recommended to consult with a mechanic for a specific estimate.

7. Can OBDII code P2765 be triggered by a loose gas cap?

No, OBDII code P2765 is related to the input/turbine speed sensor 'B' circuit in the transmission system and is not caused by a loose gas cap.

8. Is OBDII code P2765 a common issue in certain vehicle makes and models?

OBDII code P2765 can be a common issue in vehicles with automatic transmissions, especially in models with known transmission problems or sensor issues.

9. How urgent is it to address OBDII code P2765?

It is recommended to address OBDII code P2765 promptly to prevent further damage to the transmission system and ensure the vehicle operates safely and efficiently.

10. Can I reset OBDII code P2765 without repairing the underlying issue?

Resetting OBDII code P2765 without repairing the underlying issue will only temporarily clear the code. The issue will likely resurface, and it is important to address the root cause of the problem for a lasting solution.

Discuss the causes and fixes for P2765 OBDII Code

Submit a New Comment

  • HI car with throble code related ( P2765) all 3 speed sensors are the same changes location same result check wires for continuity test pass I think is the tcm I will poet the results tomorrow

    Reply to Comment

  • i have a 2014 nissian sentra wit that cvt transmission yeah i know i got a p2765 code speed sensor b circuit and i looked up symptoms and it described the same thing my car was doing which was a sudden exeleration and some hesitation so i took it to o amco for a free diagonostic to verify still pending

    Reply to Comment