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P174E Cadillac Code - Output Shaft Speed / ABS Wheel Speed Correlation

Quick Answer

The P174E diagnostic trouble code for Cadillac vehicles indicates an Output Shaft Speed / ABS Wheel Speed Correlation issue. Common causes include Faulty output shaft speed sensor, Malfunctioning ABS wheel speed sensors, Wiring or connection issues. 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
P174E Cadillac indicates Output Shaft Speed / ABS Wheel Speed Correlation.
Common causes
Common causes include Faulty output shaft speed sensor, Malfunctioning ABS wheel speed sensors, Wiring or connection issues.
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 Sep 14, 2024
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Code P174E Cadillac Description

The P174E diagnostic trouble code for Cadillac vehicles indicates an Output Shaft Speed / ABS Wheel Speed Correlation issue. This code typically points to a problem with the correlation between the output shaft speed sensor and the ABS wheel speed sensors. The output shaft speed sensor is responsible for monitoring the speed of the transmission output shaft, while the ABS wheel speed sensors detect the speed of each wheel. When these sensors provide conflicting data or fail to correlate properly, it can lead to various performance issues in the vehicle.

OBDII Code P174E Cadillac - Output Shaft Speed / ABS Wheel Speed Correlation
P174E Cadillac Code - Output Shaft Speed / ABS Wheel Speed Correlation

Common Causes of P174E Cadillac

  1. Faulty output shaft speed sensor
  2. Malfunctioning ABS wheel speed sensors
  3. Wiring or connection issues
  4. Corrosion or damage to sensor connectors
  5. Electronic control module (ECM) malfunction

Symptoms of P174E Cadillac

  1. Erratic shifting behavior
  2. Harsh transmission engagement
  3. Transmission slipping
  4. Vehicle going into limp mode
  5. ABS warning light illuminated on the dashboard

How to Fix P174E Cadillac

  1. Begin by conducting a thorough diagnostic scan to confirm the P174E code and identify the specific sensor causing the correlation issue.
  2. Inspect the output shaft speed sensor and ABS wheel speed sensors for any visible damage or signs of malfunction.
  3. Check the wiring harness and connectors associated with the sensors for corrosion, loose connections, or damage.
  4. Replace any faulty sensors or repair damaged wiring and connectors as needed.
  5. Clear the trouble code from the vehicle's ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P174E Cadillac

The typical repair costs for addressing a P174E code can vary depending on the specific cause of the issue and the labor rates in your area. On average, repairing this problem may cost between $200 and $500, including parts and labor. However, it's essential to note that diagnosis time and labor rates at auto repair shops can fluctuate based on factors such as location, vehicle make and model, and engine type. It's advisable to contact local auto repair shops for a more accurate estimate tailored to your situation. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops often offer more competitive pricing.

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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 P174E Cadillac Code

1. What are common symptoms of OBDII code P174E in a Cadillac related to Output Shaft Speed / ABS Wheel Speed Correlation?

The common symptoms include ABS warning light illuminated on the dashboard, traction control issues, and erratic shifting behavior.

2. What are the possible causes of OBDII code P174E in a Cadillac?

Possible causes of this code may include faulty wheel speed sensors, damaged wiring or connectors, issues with the ABS module, or problems with the output shaft speed sensor.

3. How can I diagnose the OBDII code P174E in my Cadillac?

Diagnosing this code typically involves using a scan tool to read the fault codes, inspecting the wheel speed sensors and related components, and performing tests to check the output shaft speed sensor's functionality.

4. What are some repair tips for resolving OBDII code P174E in a Cadillac?

Repair tips may include checking and replacing any damaged wiring or connectors, replacing faulty wheel speed sensors, ensuring the ABS module is functioning correctly, and inspecting the output shaft speed sensor for proper operation.

5. Can driving with OBDII code P174E in a Cadillac cause further damage to the vehicle?

Continuing to drive with this code present can potentially lead to issues with the vehicle's ABS and traction control systems, as well as affecting the transmission's performance. It is recommended to address the problem promptly to prevent further damage.

6. How serious is OBDII code P174E in a Cadillac?

While the severity can vary depending on the root cause, this code should be addressed promptly to ensure the safe operation of the vehicle and prevent potential damage to critical components like the ABS and transmission systems.

7. Can I reset the OBDII code P174E in my Cadillac without fixing the underlying issue?

Resetting the code without addressing the underlying problem will only temporarily clear the error code. It is essential to diagnose and repair the root cause to prevent the code from reoccurring.

8. Is it possible to fix OBDII code P174E in a Cadillac at home, or should I seek professional help?

Depending on your automotive repair skills and access to tools, you may be able to address this code at home. However, if you are unsure about diagnosing or repairing the issue, it is recommended to seek professional help from a qualified mechanic.

9. How much does it typically cost to repair OBDII code P174E in a Cadillac?

The cost of repairing this code can vary based on the specific cause of the issue, the required parts, and labor costs. It is advisable to obtain estimates from different auto repair shops to determine the total repair cost.

10. Will fixing OBDII code P174E improve the overall performance and safety of my Cadillac?

Addressing this code will not only improve the performance of the ABS, traction control, and transmission systems but also enhance the overall safety and drivability of your Cadillac.

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