AutoCodes – Buick – P174E Buick

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

Quick Answer

The P174E code detects a fault when the Anti-Lock Brake System (ABS) module and the Transmission Control Module (TCM) have different Vehicle Speed Sensor (VSS) values. Common causes include Faulty Vehicle Speed Sensor (VSS), Vehicle Speed Sensor (VSS) harness is open or shorted, Vehicle Speed Sensor (VSS) circuit poor electrical connection. 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 Vehicle Speed Sensor (VSS), Vehicle Speed Sensor (VSS) harness is open or shorted, Vehicle Speed Sensor (VSS) circuit poor electrical connection.
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.

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Code Popularity 1,119

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jan 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P174E Buick Description

The P174E code detects a fault when the Anti-Lock Brake System (ABS) module and the Transmission Control Module (TCM) have different Vehicle Speed Sensor (VSS) values.

OBDII Code P174E Buick - Output Shaft Speed / ABS Wheel Speed Correlation - AutoCodes.com — P174E Buick Code - Output Shaft Speed / ABS Wheel Speed Correlation

What does this mean?

What are the Possible Causes of the DTC P174E Buick?

Faulty Vehicle Speed Sensor (VSS)
Vehicle Speed Sensor (VSS) harness is open or shorted
Vehicle Speed Sensor (VSS) circuit poor electrical connection

How to Fix the DTC P174E Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P174E Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P174E Buick code?

Need more information on how to fix the P174E Buick code? Get Access to Factory Service Manuals

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Get the P174E Buick code diagnosed by a professional: Find a repair shop in your area

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.