P2768 Fault Code

P2768 OBD-II Trouble Code Short Description

Input/Turbine Speed Sensor B Circuit Intermittent

What does trouble code P2768 mean?

  • The P2768 fault code indicates a problem with the Input/Turbine Speed Sensor B Circuit. This sensor plays a crucial role in monitoring the speed of the turbine in the vehicle's transmission.
  • When the code is triggered, it suggests that the circuit is experiencing intermittent signals.
  • This issue can lead to erratic transmission behavior, affecting overall vehicle performance.

Symptoms

What are the symptoms of the P2768 code?

  • Drivers may notice several symptoms when the P2768 fault code is active:
    • Unusual or erratic transmission shifts.
    • Slipping transmission or hesitation during acceleration.
    • The illumination of the check engine light.
    • Potential loss of power to the wheels, causing poor acceleration.

Causes

What causes the P2768 code?

  • Common causes of the P2768 code include:
    • Damaged or frayed wiring in the Input/Turbine Speed Sensor circuit.
    • Faulty connectors that may cause intermittent connections.
    • A defective Input/Turbine Speed Sensor.
    • Issues with the vehicle's Powertrain Control Module (PCM) or Transmission Control Module (TCM).

Possible Solutions

How to fix P2768?

  • To resolve the P2768 fault code, consider the following steps:
    • Inspect the wiring and connectors for any signs of damage and repair as needed.
    • Test the Input/Turbine Speed Sensor for proper functionality and replace it if it is defective.
    • Verify the integrity of the PCM/TCM and update or reprogram if necessary.
    • Clear the fault codes and take the vehicle for a test drive to ensure the issue is resolved.