AutoCodes – Generic – B3104

B3104 Code - Steering Shaft Position 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: B3104 indicates Steering Shaft Position 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,191

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 Mar 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B3104 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 B3104 - Steering Shaft Position Sensor Malfunction - AutoCodes.com — B3104 Code - Steering Shaft Position Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC B3104?

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

How to Fix the DTC B3104?

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 B3104 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 B3104 code?

Need more information on how to fix the B3104 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3104 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B3104 Ford — Steering Shaft Position Sensor Malfunction
B3104 Lincoln — Steering Shaft Position Sensor Malfunction
B3104 Mercury — Steering Shaft Position Sensor Malfunction

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 B3104 Code

1. What are the common symptoms of a steering shaft position sensor malfunction (OBDII code B3104)?

- Common symptoms include erratic steering behavior, difficulty controlling the vehicle, and a malfunction indicator light (MIL) illuminated on the dashboard.

2. What are the potential causes of the steering shaft position sensor malfunction (OBDII code B3104)?

- The causes can range from a faulty steering shaft position sensor, damaged wiring or connectors, to issues with the power steering system.

3. How can I diagnose a steering shaft position sensor malfunction related to OBDII code B3104?

- Diagnosis typically involves using a diagnostic scan tool to retrieve the specific code, testing the sensor and related components, and inspecting the wiring for any damage.

4. Can I still drive my vehicle with the OBDII code B3104 related to the steering shaft position sensor malfunction?

- It is not recommended to drive the vehicle with this issue as it can affect the steering control and safety of the vehicle.

5. How is the steering shaft position sensor malfunction (OBDII code B3104) typically repaired?

- Repair usually involves replacing the faulty steering shaft position sensor, repairing any damaged wiring or connectors, and clearing the error code from the vehicle's computer.

6. Are there any DIY tips for troubleshooting the steering shaft position sensor malfunction (OBDII code B3104)?

- DIY troubleshooting tips include checking the sensor's wiring for visible damage, ensuring proper connection, and consulting the vehicle's service manual for specific testing procedures.

7. Is it necessary to reset the steering angle sensor after repairing the steering shaft position sensor malfunction (OBDII code B3104)?

- Yes, resetting the steering angle sensor may be required to recalibrate the system and ensure accurate steering inputs.

8. How can I prevent the steering shaft position sensor malfunction (OBDII code B3104) from occurring in the future?

- Regular inspection and maintenance of the steering system, including checking for loose connections and worn components, can help prevent such malfunctions.

9. Can a steering shaft position sensor malfunction (OBDII code B3104) lead to other related issues in the vehicle?

- Yes, a malfunctioning steering shaft position sensor can affect the overall steering performance, stability control systems, and potentially lead to safety hazards if not addressed promptly.

10. How long does it usually take to repair a steering shaft position sensor malfunction related to OBDII code B3104?

- The repair time can vary depending on the extent of the issue, availability of parts, and the expertise of the technician, but it typically takes a few hours to complete the repair.