Engine-CodesFord – P1901 2011 Ford Fusion

P1901 2011 Ford Fusion Code - Turbine Shaft Speed Sensor Circuit Intermittent

Quick Answer

The P1901 diagnostic trouble code (DTC) specifically relates to the Turbine Shaft Speed Sensor Circuit Intermittent in a 2011 Ford Fusion. Common causes include Faulty Turbine Shaft Speed Sensor, Wiring or connector issues in the sensor circuit, Corrosion or damage to sensor connections. 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
P1901 2011 Ford Fusion indicates Turbine Shaft Speed Sensor Circuit Intermittent.
Common causes
Common causes include Faulty Turbine Shaft Speed Sensor, Wiring or connector issues in the sensor circuit, Corrosion or damage to sensor connections.
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 12, 2024
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Code P1901 2011 Ford Fusion Description

The P1901 diagnostic trouble code (DTC) specifically relates to the Turbine Shaft Speed Sensor Circuit Intermittent in a 2011 Ford Fusion. The Turbine Shaft Speed Sensor is a crucial component of the transmission system, responsible for measuring the speed of the input shaft of the transmission. This information is vital for the transmission control module (TCM) to determine the appropriate shift points and optimize the performance of the transmission.

OBDII Code P1901 2011 Ford Fusion - Turbine Shaft Speed Sensor Circuit Intermittent
P1901 2011 Ford Fusion Code - Turbine Shaft Speed Sensor Circuit Intermittent

Common Causes of P1901 2011 Ford Fusion

  1. Faulty Turbine Shaft Speed Sensor
  2. Wiring or connector issues in the sensor circuit
  3. Corrosion or damage to sensor connections
  4. Faulty TCM
  5. Electrical problems within the transmission system

Symptoms of P1901 2011 Ford Fusion

  1. Erratic shifting behavior
  2. Delayed or harsh shifting
  3. Transmission slipping
  4. Illuminated Check Engine Light
  5. Limp mode operation

How to Fix P1901 2011 Ford Fusion

  1. Use an OBD-II scanner to confirm the P1901 code and ensure it is not a false alarm.
  2. Inspect the wiring and connectors of the Turbine Shaft Speed Sensor for any damage or corrosion. Repair or replace as necessary.
  3. Test the Turbine Shaft Speed Sensor using a multimeter to verify proper operation. Replace the sensor if it is faulty.
  4. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnosis may be required to identify any underlying electrical issues within the transmission system.

Cost to Fix P1901 2011 Ford Fusion

The typical repair costs for addressing a Turbine Shaft Speed Sensor Circuit Intermittent issue in a 2011 Ford Fusion can range from $150 to $500, including parts and labor. However, the specific costs can vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It is recommended to consult with a professional technician for a more accurate estimate based on the specific circumstances. Labor rates at auto repair shops commonly range between $80 and $150 per hour, but rates may differ at dealerships or independent shops.

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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.

Frequently Asked Questions about P1901 2011 Ford Fusion Code

1. What does the OBDII code P1901 mean on a 2011 Ford Fusion?

The P1901 code indicates an intermittent issue in the Turbine Shaft Speed Sensor Circuit, which monitors the rotational speed of the transmission's input shaft.

2. What are the common symptoms of P1901 in a 2011 Ford Fusion?

Symptoms may include erratic shifting, delayed acceleration, illuminated check engine light, and reduced fuel efficiency.

3. What causes the P1901 code to appear?

Possible causes include a faulty turbine shaft speed sensor, damaged or corroded wiring, a loose electrical connection, or a malfunctioning powertrain control module (PCM).

4. Can I drive my 2011 Ford Fusion with the P1901 code?

While it may still be drivable, continuing to drive with this code can cause further transmission issues and should be addressed promptly.

5. How do I diagnose the P1901 code on my Ford Fusion?

Start by inspecting the turbine shaft speed sensor and its wiring for damage or corrosion. Use an OBDII scanner to monitor live data and confirm the sensor's functionality.

6. How do I fix the P1901 code on a 2011 Ford Fusion?

Repairs may involve replacing the turbine shaft speed sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming the PCM if necessary.

7. How much does it cost to repair the P1901 code on a Ford Fusion?

Repair costs can vary, but replacing the turbine shaft speed sensor typically costs $150–$300, including parts and labor.

8. Can a bad turbine shaft speed sensor damage my transmission?

Yes, if left unresolved, a faulty sensor can lead to improper transmission operation, which may cause long-term damage.

9. Will clearing the P1901 code fix the issue permanently?

No, clearing the code will only reset the check engine light temporarily. The underlying problem must be repaired to prevent the code from returning.

10. Is the P1901 code specific to Ford vehicles?

While the code can appear on other vehicles, its specific meaning and causes may vary depending on the make and model. For a 2011 Ford Fusion, it relates to the turbine shaft speed sensor circuit.

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