AutoCodes – Ford – B2278 Ford

B2278 Ford Code - Steering Shaft Torque Sensor Malfunction

Quick Answer

The voltage required for correct Electronic Power Assist Steering (EPAS) system operation is 10-16 volts. Common causes include Faulty Steering Column, Steering Column harness is open or shorted, Steering Column 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: B2278 Ford indicates Steering Shaft Torque Sensor Malfunction.
Common causes: Common causes include Faulty Steering Column, Steering Column harness is open or shorted, Steering Column 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 7,455

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2278 Ford Description

The voltage required for correct Electronic Power Assist Steering (EPAS) system operation is 10-16 volts. Above or below that voltage range the OBDII codes will be set. The EPAS motor, torque sensor and steering shaft/wheel position sensor are all integrated into the Power Steering Control Module. The Power Steering Control Module is integrated into the Steering Column. If any new components need to be installed, a new steering column must be installed.

OBDII Code B2278 Ford - Steering Shaft Torque Sensor Malfunction - AutoCodes.com — B2278 Ford Code - Steering Shaft Torque Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC B2278 Ford?

Faulty Steering Column
Steering Column harness is open or shorted
Steering Column circuit poor electrical connection

How to Fix the DTC B2278 Ford?

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 B2278 Ford 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.

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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 B2278 Ford Code

1. What are the common symptoms of OBDII code B2278 Ford (Steering Shaft Torque Sensor Malfunction)?

The common symptoms include the illumination of the "Service AdvanceTrac" warning light on the dashboard, loss of power steering assistance, and potential steering wheel vibration.

2. What are the possible causes of the B2278 Ford trouble code?

The code B2278 typically indicates a malfunction in the steering shaft torque sensor, which can be caused by sensor failure, wiring issues, or a faulty steering column assembly.

3. How serious is the Steering Shaft Torque Sensor Malfunction issue indicated by code B2278?

The issue can affect the proper functioning of the power steering system, leading to potential safety concerns and difficulty in controlling the vehicle, especially at higher speeds or during maneuvers.

4. Can I continue driving my vehicle with the B2278 Ford trouble code present?

It is not recommended to continue driving the vehicle with the B2278 code triggered, as it can compromise the stability and control of the steering system. It is advisable to address the issue promptly.

5. How is the Steering Shaft Torque Sensor Malfunction diagnosed and repaired?

Diagnosis involves using a scan tool to retrieve the trouble code and performing a thorough inspection of the steering shaft torque sensor, wiring, and related components. Repair typically involves replacing the faulty sensor or addressing any wiring issues.

6. Will resetting the trouble code resolve the Steering Shaft Torque Sensor Malfunction issue?

Simply resetting the trouble code may temporarily clear the warning light, but it will not fix the underlying problem causing the B2278 code. Proper diagnosis and repair are necessary to resolve the issue permanently.

7. Can I fix the Steering Shaft Torque Sensor Malfunction issue myself?

While some experienced DIYers may attempt to diagnose and repair the issue themselves, dealing with steering components and sensors requires a certain level of expertise. It is often best to consult a qualified mechanic for proper diagnosis and repair.

8. How much does it typically cost to repair the Steering Shaft Torque Sensor Malfunction issue indicated by code B2278?

The cost of repairing the B2278 code can vary depending on the extent of the issue, the specific components needing replacement, and labor costs. It is advisable to obtain quotes from different mechanics or dealerships.

9. Are there any preventive maintenance tips to avoid the Steering Shaft Torque Sensor Malfunction issue?

Regularly inspecting the steering system components, checking for any signs of wear or damage, and addressing any unusual steering behavior promptly can help prevent issues leading to the B2278 trouble code.

10. Can the Steering Shaft Torque Sensor Malfunction issue affect the vehicle's overall drivability?

Yes, the malfunction indicated by code B2278 can impact the vehicle's drivability, especially in terms of steering responsiveness and stability. It is crucial to address the issue to ensure safe operation of the vehicle.