AutoCodes – Mercury – U046B Mercury

U046B Mercury Code - Invalid Data Received From Global Positioning System 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 Global Positioning System Module, Global Positioning System Module harness is open or shorted, Global Positioning System 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: U046B Mercury indicates Invalid Data Received From Global Positioning System Module.
Common causes: Common causes include Faulty Global Positioning System Module, Global Positioning System Module harness is open or shorted, Global Positioning System 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.

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Code Popularity 491

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 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U046B Mercury 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 Global Positioning System Module causing its integrity to be questioned.

OBDII Code U046B Mercury - Invalid Data Received From Global Positioning System Module - AutoCodes.com — U046B Mercury Code - Invalid Data Received From Global Positioning System Module

What does this mean?

What are the Possible Causes of the DTC U046B Mercury?

Faulty Global Positioning System Module
Global Positioning System Module harness is open or shorted
Global Positioning System Module circuit poor electrical connection

How to Fix the DTC U046B Mercury?

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 U046B Mercury 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 U046B Mercury Code

What does the OBDII code U046B mean?

The OBDII code U046B indicates "Invalid Data Received From Global Positioning System Module," which means the vehicle's onboard computer is not receiving accurate data from the GPS module.

What are the common symptoms of the U046B code?

Common symptoms include navigation system malfunctions, inaccurate location readings, and potential issues with other systems that rely on GPS data.

What could cause the U046B code to trigger?

Causes can include a faulty GPS module, damaged wiring or connectors related to the GPS system, or software issues within the vehicle's computer.

How can I diagnose the U046B code?

To diagnose the U046B code, use an OBDII scanner to confirm the code, then inspect the GPS module, wiring, and connectors for damage or disconnection. Check for any related codes that may provide additional context.

Are there any common fixes for the U046B code?

Common fixes include replacing a faulty GPS module, repairing or replacing damaged wiring or connectors, and updating the vehicle's software if necessary.

Can I drive my vehicle with the U046B code?

While it may be possible to drive the vehicle, you may experience issues with navigation and other systems relying on GPS data. It is advisable to address the issue to prevent further complications.

How much does it typically cost to repair the U046B code?

Repair costs can vary widely depending on the underlying issue, ranging from simple wiring repairs costing under $100 to GPS module replacements that might cost several hundred dollars.

Will clearing the U046B code fix the problem?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not resolved, the code is likely to return.

Can I fix the U046B code myself?

If you have experience with automotive repairs, you may be able to diagnose and fix the issue yourself. However, if youâ€™re unsure, itâ€™s best to consult a professional mechanic for assistance.