Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that a sensor in your car that helps measure how fast parts inside the transmission are spinning isn't working properly all the time. It's like when a toy's battery connection is loose, and it sometimes stops working.
The P2768 code is triggered when the powertrain control module (PCM) detects an intermittent signal from the input/turbine shaft speed sensor B circuit. This sensor provides data on the rotational speed of the transmission input shaft.
The input/turbine shaft speed sensor B is responsible for providing the PCM with information about the rotational speed of the transmission input shaft. This data is crucial for the PCM to manage transmission shift timing and engine performance. An intermittent signal indicates a disruption in the sensor's ability to consistently relay this information, which can affect vehicle performance.
• Erratic or harsh shifting
• Transmission slipping
• Check engine light illuminated
• Faulty input/turbine shaft speed sensor B
• Damaged or corroded wiring or connectors
• Poor electrical connection in the circuit
PCM: Powertrain Control Module, the computer that controls engine and transmission functions.
OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics in vehicles.
• Use an OBD-II scanner to confirm the P2768 code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the input/turbine shaft speed sensor B for proper operation.
• Replace the faulty input/turbine shaft speed sensor B.
• Repair or replace damaged wiring or connectors.
• Ensure all electrical connections are secure.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Honda Accord
• Toyota Camry
• Ford Focus
• Regularly inspect transmission wiring and connectors.
• Keep the transmission system clean and free of debris.
• Perform routine vehicle maintenance checks.
Sensor Issue
• Avoid driving aggressively until the issue is resolved.
• Schedule a diagnostic check with a professional mechanic.
• Do not ignore the check engine light.
Check with your vehicle manufacturer for warranty coverage on transmission components.
The P2768 code has been observed in vehicles with higher mileage and those with inconsistent transmission maintenance.
Moderate – It is advisable to address this issue soon to prevent further transmission damage.
Driving with a malfunctioning transmission sensor can lead to unsafe driving conditions. Address the issue promptly.
• Vehicle at operating temperature
• Transmission engaged in drive
The input/turbine shaft speed sensor B is typically located on the transmission housing, near the input shaft.
Q: Can I drive with a P2768 code?
A: It's possible to drive short distances, but it's not recommended as it can lead to further transmission damage.
Q: How is the P2768 code diagnosed?
A: A mechanic will use an OBD-II scanner to read the code and inspect the transmission wiring and sensors.
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