AutoCodes – Lincoln – U0405 Lincoln

U0405 Lincoln Code - Invalid Data Received From Cruise Control Module

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Cruise Control Module, Cruise Control Module harness is open or shorted, Cruise Control Module 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: U0405 Lincoln indicates Invalid Data Received From Cruise Control Module.
Common causes: Common causes include Faulty Cruise Control Module, Cruise Control Module harness is open or shorted, Cruise Control Module 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 601

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 Apr 08, 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 U0405 Lincoln Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Cruise Control Module causing its integrity to be questioned.

OBDII Code U0405 Lincoln - Invalid Data Received From Cruise Control Module - AutoCodes.com — U0405 Lincoln Code - Invalid Data Received From Cruise Control Module

What does this mean?

What are the Possible Causes of the DTC U0405 Lincoln?

Faulty Cruise Control Module
Cruise Control Module harness is open or shorted
Cruise Control Module circuit poor electrical connection

How to Fix the DTC U0405 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 U0405 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 U0405 Lincoln code?

Need more information on how to fix the U0405 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0405 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 U0405 Lincoln Code

What does OBDII code U0405 mean for my Lincoln?

OBDII code U0405 indicates that the Engine Control Module (ECM) has received invalid data from the cruise control module, suggesting a communication issue between these components.

What are the common symptoms associated with U0405?

Symptoms may include the cruise control not functioning correctly, the check engine light being illuminated, and potentially poor vehicle performance or erratic behavior in the cruise control system.

What could cause the U0405 code to trigger?

The code can be triggered by a faulty cruise control module, damaged wiring or connectors related to the cruise control system, or issues with the ECM itself.

Can I drive my Lincoln with the U0405 code?

While it may be possible to drive the vehicle, it's advisable to address the code promptly, as it can lead to unsafe driving conditions if the cruise control system malfunctions.

How can I diagnose the U0405 code?

Start by using an OBD-II scanner to confirm the code and check for any related codes. Inspect the cruise control module, wiring, and connectors for damage or corrosion, and verify the proper operation of the module.

What are some common repairs for U0405?

Repairs may include replacing a faulty cruise control module, repairing or replacing damaged wiring or connectors, or reprogramming the ECM if necessary.

Is it necessary to reset the check engine light after fixing U0405?

Yes, after repairs are made, it's important to clear the code using an OBD-II scanner and conduct a test drive to ensure the issue is resolved and the code does not return.

Can a software update fix the U0405 code?

In some cases, a software update from the manufacturer may resolve communication issues between the ECM and cruise control module, so it's worth checking for any available updates.

How much does it typically cost to repair the U0405 code?

Repair costs can vary widely depending on the cause, but they can range from a simple wiring repair costing around $100 to $500 or more for a cruise control module replacement.