P2751 Fault Code

Intermediate Shaft Speed Sensor C Circuit No Signal

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2751 fault code indicates a problem with the Intermediate Shaft Speed Sensor C, specifically that there is no signal being detected. This sensor is responsible for providing the engine control module with data related to the rotational speed of the intermediate shaft, which is vital for optimizing transmission performance and ensuring smooth shifting.

When the sensor malfunctions or loses communication, it can negatively impact the vehicle's overall operation.

What are the symptoms of the P2751 code?

Symptoms that may be exhibited with a P2751 fault code include:

• Harsh or erratic shifting
• Slipping transmission
• Reduced engine performance
• Check engine light illuminated on the dashboard
• Difficulty in engaging gears
• Possible transmission overheating.

What causes the P2751 code?

Common causes for the P2751 code include:

• A faulty Intermediate Shaft Speed Sensor C
• Damaged wiring or connectors leading to the sensor
• Issues with the engine control module (ECM)
• Electrical faults such as shorts or open circuits
• Incorrect installation or poor connections
• Transmitter or circuit issues within the transmission.

How to fix P2751?

To resolve the P2751 fault code, follow these steps:

1. Inspect the Intermediate Shaft Speed Sensor C and its wiring for any visible damage or loose connections.
2. Test the sensor's resistance and output signal using a multimeter to ensure it's functioning properly.
3. Repair or replace any damaged wiring or connectors as necessary.
4. If the sensor is faulty, replace it and clear the trouble code.
5. Perform a thorough diagnosis of the transmission and ECM if the problem persists to identify any underlying issues.