AutoCodes – Mercury – U0515 Mercury

U0515 Mercury Code - Invalid Data Received From Remote Function Actuation

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 Remote Function Actuation, Remote Function Actuation harness is open or shorted, Remote Function Actuation 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: U0515 Mercury indicates Invalid Data Received From Remote Function Actuation.
Common causes: Common causes include Faulty Remote Function Actuation, Remote Function Actuation harness is open or shorted, Remote Function Actuation 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 544

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 U0515 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 causing its integrity to be questioned.

OBDII Code U0515 Mercury - Invalid Data Received From Remote Function Actuation - AutoCodes.com — U0515 Mercury Code - Invalid Data Received From Remote Function Actuation

What does this mean?

What are the Possible Causes of the DTC U0515 Mercury?

Faulty Remote Function Actuation
Remote Function Actuation harness is open or shorted
Remote Function Actuation circuit poor electrical connection

How to Fix the DTC U0515 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 U0515 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 U0515 Mercury Code

1. What are the common symptoms of OBDII code U0515 in a Mercury vehicle?

- Common symptoms include issues with remote function actuation systems, such as power door locks, remote start, or other remote-controlled functions not working properly.

2. What does the OBDII code U0515 Mercury mean?

- The code U0515 indicates that the vehicle's onboard computer has detected invalid data being received from a remote function actuation module.

3. What are the possible causes of the U0515 code in a Mercury vehicle?

- Possible causes include a faulty remote function actuation module, wiring issues, connection problems, or a communication error between modules in the vehicle.

4. How can I diagnose the U0515 code in my Mercury?

- Diagnosing the U0515 code typically involves using a diagnostic scanner to read the code, checking the connections and wiring related to the remote function actuation module, and performing a thorough inspection of the remote function system.

5. Can I still drive my Mercury with the U0515 code present?

- It is generally safe to drive the vehicle with the U0515 code, but it is recommended to address the issue promptly to ensure the proper functioning of remote-controlled features.

6. How can I repair the U0515 code in my Mercury?

- Repairs for the U0515 code may involve replacing the remote function actuation module, repairing any damaged wiring or connections, or reprogramming the module to resolve communication issues.

7. Will resetting the code make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the U0515 code is not addressed, the code is likely to reappear.

8. Is the U0515 code specific to Mercury vehicles only?

- The U0515 code may appear in various vehicle makes and models, not limited to Mercury, as it is a standardized OBDII code related to remote function actuation data errors.

9. Can I fix the U0515 code myself, or do I need to take my Mercury to a mechanic?

- Depending on your skill level and access to diagnostic tools, you may be able to address the U0515 code yourself by troubleshooting the remote function system. However, complex repairs may require professional assistance.

10. How much does it typically cost to repair the U0515 code in a Mercury?

- Repair costs for the U0515 code can vary depending on the specific issue causing the code, parts needed for replacement, and labor costs. It is advisable to get a diagnosis from a mechanic to determine the exact repair expenses.