AutoCodes – Lincoln – U0001 Lincoln

U0001 Lincoln Code - High Speed CAN Communication Bus

Quick Answer

The Power Steering Control Module (PSCM) monitors the HS-CAN bus when the ignition has been on for more than 5 seconds, when the voltage to the PSCM is greater than 9 volts and when there is no Diagnostic Trouble Code (DTC) present that is inhibiting PSCM operation. Common causes include Faulty Power Steering Control Module (PSCM), Power Steering Control Module (PSCM) harness is open or shorted, Power Steering Control Module (PSCM) 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: U0001 Lincoln indicates High Speed CAN Communication Bus.
Common causes: Common causes include Faulty Power Steering Control Module (PSCM), Power Steering Control Module (PSCM) harness is open or shorted, Power Steering Control Module (PSCM) 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 2,058

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 Mar 29, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0001 Lincoln Description

OBDII Code U0001 Lincoln - High Speed CAN Communication Bus - AutoCodes.com — U0001 Lincoln Code - High Speed CAN Communication Bus

What does this mean?

What are the Possible Causes of the DTC U0001 Lincoln?

Faulty Power Steering Control Module (PSCM)
Power Steering Control Module (PSCM) harness is open or shorted
Power Steering Control Module (PSCM) circuit poor electrical connection

How to Fix the DTC U0001 Lincoln?

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 U0001 Lincoln 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 U0001 Lincoln code?

Need more information on how to fix the U0001 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0001 Lincoln 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 U0001 Lincoln Code

1. What does the OBDII code U0001 for Lincoln's High Speed CAN Communication Bus indicate?

The code U0001 indicates a communication problem in the high-speed Controller Area Network (CAN) bus of the Lincoln vehicle.

2. What are common symptoms of a U0001 code on a Lincoln?

Common symptoms include issues with the vehicle's communication system, such as loss of communication with various modules or sensors, warning lights on the dashboard, and potential drivability issues.

3. What are possible causes of a U0001 code in a Lincoln?

Possible causes include damaged wiring or connectors in the CAN bus system, faulty control modules, a short circuit, software issues, or a malfunctioning CAN bus network.

4. How can I diagnose a U0001 code in my Lincoln?

Diagnosis typically involves checking the wiring and connectors in the CAN bus system, scanning the vehicle's computer for specific codes and freeze frame data, and using a diagnostic tool to monitor the communication between modules.

5. Can a U0001 code be fixed by resetting the vehicle's computer?

While clearing the code may temporarily turn off the warning light, it will not solve the underlying issue causing the U0001 code. Proper diagnosis and repair are necessary to address the problem.

6. Is it safe to drive my Lincoln with a U0001 code present?

It is generally not recommended to drive the vehicle with a U0001 code, as it can lead to further damage or safety hazards due to potential communication failures between critical vehicle systems.

7. How much does it typically cost to repair a U0001 code in a Lincoln?

The cost of repair can vary depending on the specific cause of the U0001 code. It is recommended to have a qualified mechanic diagnose the issue to provide an accurate estimate for the repair.

8. Can a U0001 code be fixed at home, or does it require professional assistance?

Repairing a U0001 code often requires advanced diagnostic tools and expertise to pinpoint the exact cause of the communication failure. It is recommended to seek professional assistance for proper diagnosis and repair.

9. Are there any preventative measures to avoid encountering a U0001 code in a Lincoln?

Regular maintenance, such as checking the wiring harnesses for damage, ensuring proper connections, and keeping the vehicle's software up to date, can help prevent issues that may trigger a U0001 code.

10. How long does it typically take to repair a U0001 code in a Lincoln?

The repair time can vary depending on the cause of the U0001 code and the complexity of the diagnosis and repair process. It is advisable to consult with a mechanic to get an accurate estimate of the repair timeline.