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

Quick Answer

The P174E Buick diagnostic trouble code (DTC) indicates a problem with the correlation between the output shaft speed and the ABS wheel speed. Common causes include Faulty output shaft speed sensor, Damaged ABS wheel speed sensors, Wiring 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 Buick indicates Output Shaft Speed / ABS Wheel Speed Correlation.
Common causes
Common causes include Faulty output shaft speed sensor, Damaged ABS wheel speed sensors, Wiring 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 08, 2024
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Code P174E Buick Description

The P174E Buick diagnostic trouble code (DTC) indicates a problem with the correlation between the output shaft speed and the ABS wheel speed. This code typically affects vehicles with automatic transmissions that are equipped with an ABS system. The output shaft speed sensor measures the speed of the transmission's output shaft, while the ABS wheel speed sensors monitor the speed of each wheel. When these two speeds do not correlate as expected, it can lead to various issues within the vehicle's systems.

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

Common Causes of P174E Buick

  1. Faulty output shaft speed sensor
  2. Damaged ABS wheel speed sensors
  3. Wiring issues
  4. Malfunctioning ABS module
  5. Problem with the transmission control module

Symptoms of P174E Buick

  1. Erratic shifting behavior
  2. Harsh gear engagement
  3. Transmission slippage
  4. ABS system malfunctions
  5. Illumination of the Check Engine Light

How to Fix P174E Buick

  1. Diagnose the issue by using a scan tool to retrieve the trouble codes and perform a thorough inspection of the output shaft speed sensor, ABS wheel speed sensors, wiring, and related components.
  2. Replace the faulty output shaft speed sensor or ABS wheel speed sensors if they are found to be defective.
  3. Repair any damaged wiring or connectors that may be causing the correlation issue.
  4. Check and recalibrate the ABS and transmission control modules to ensure proper communication and synchronization between the systems.
  5. Clear the trouble codes and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P174E Buick

The typical repair costs for addressing the P174E Buick code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to inquire about local rates to obtain a more accurate estimate for this repair.

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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 Buick Code

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

The common symptoms include erratic shifting, transmission slippage, ABS warning light illuminated, traction control issues, and decreased fuel efficiency.

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

Possible causes of this code include a faulty wheel speed sensor, damaged wiring or connectors, issues with the ABS module, malfunctioning output shaft speed sensor, or a problem with the transmission control module.

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

Diagnosing this code involves using a professional OBDII scanner to retrieve the specific fault codes, inspecting the wheel speed sensors and their connections, checking the output shaft speed sensor, and conducting a thorough inspection of the ABS system components.

4. What are the repair options for OBDII code P174E in a Buick?

Repair options may include replacing a faulty wheel speed sensor, repairing damaged wiring or connectors, replacing the output shaft speed sensor, addressing issues with the ABS module, or reprogramming the transmission control module.

5. Can I drive my Buick with OBDII code P174E present?

It is not recommended to drive your Buick with this code present, as it can lead to potential transmission and ABS system issues that may compromise vehicle safety and performance.

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

This code should be taken seriously as it indicates a problem with the correlation between the output shaft speed and ABS wheel speed, which can impact the vehicle's drivability and safety features.

7. Are there any temporary solutions for OBDII code P174E in a Buick?

There are no recommended temporary solutions for this code, as addressing the underlying issue promptly is crucial to prevent further damage to the transmission and ABS system.

8. How much does it cost to repair OBDII code P174E in a Buick?

The cost of repairing this code can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor rates of the repair shop. It is advisable to get a professional diagnosis to determine the exact repair cost.

9. Can I reset OBDII code P174E in my Buick with a simple scan tool?

Resetting the code with a scan tool may temporarily clear the error code, but it is important to address the root cause of the issue to prevent the code from reoccurring.

10. Is it possible to prevent OBDII code P174E from appearing in my Buick?

Regular maintenance, including checking and replacing worn sensors and components, can help prevent the occurrence of this code. Additionally, driving cautiously and avoiding harsh braking or acceleration can help preserve the integrity of the ABS and transmission systems.

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