AutoCodes – Generic – U0487

U0487 Code - Invalid Data Received From Audio Amplifier 'A'

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 Audio Amplifier 'A', Audio Amplifier 'A' harness is open or shorted, Audio Amplifier 'A' 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
U0487 indicates Invalid Data Received From Audio Amplifier 'A'.
Common causes
Common causes include Faulty Audio Amplifier 'A', Audio Amplifier 'A' harness is open or shorted, Audio Amplifier 'A' 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,609
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 13, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code U0487 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 Audio Amplifier 'A' causing its integrity to be questioned.
OBDII Code U0487 - Invalid Data Received From Audio Amplifier 'A' - AutoCodes.com
U0487 Code - Invalid Data Received From Audio Amplifier 'A'

What are the Possible Causes of the DTC U0487?

  • Faulty Audio Amplifier 'A'
  • Audio Amplifier 'A' harness is open or shorted
  • Audio Amplifier 'A' circuit poor electrical connection

How to Fix the DTC U0487?

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 U0487 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 U0487 code?

Need more information on how to fix the U0487 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0487 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 U0487 Code

What does OBDII code U0487 mean?

Code U0487 indicates that the vehicle's control module has received invalid data from Audio Amplifier 'A', which may affect audio system functionality.

What are common symptoms of code U0487?

Common symptoms include distorted or no sound from the audio system, random audio cutoffs, or error messages displayed on the infotainment screen.

What causes code U0487?

This code is usually caused by a malfunctioning audio amplifier, wiring issues, loose or corroded connections, or software glitches in the audio control module.

Can code U0487 affect other systems in the vehicle?

While primarily linked to the audio system, it may disrupt communication between modules if the amplifier is part of a larger network.

How can I diagnose code U0487?

Start by inspecting the audio amplifier, checking for damaged wiring or connectors, and scanning for software updates or other related codes that may provide additional clues.

Is it safe to drive with code U0487 active?

Yes, this code typically doesn't affect drivability, but it can impact your audio system's functionality and overall convenience.

How can I fix code U0487?

Repairs may include replacing the audio amplifier, repairing damaged wiring, cleaning corroded connectors, or updating the software on the audio module.

Can a weak battery cause code U0487?

Yes, a weak or failing battery can cause communication errors between modules, potentially triggering this code.

Do I need professional help to resolve code U0487?

While basic checks can be done at home, professional diagnosis is recommended to pinpoint the exact issue and avoid unnecessary repairs.

Can code U0487 be cleared without repairs?

Clearing the code without addressing the underlying issue may temporarily remove the error, but the problem is likely to return.

Discuss the causes and fixes for U0487 OBDII Code

Code U0487 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play