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Code U0480

Symptoms

• Check Engine Light on

• Malfunctioning vehicle accessories

• Intermittent electrical issues

Common Causes

• Faulty Accessory Protocol Interface Module

• Wiring issues or poor connections

• Software issues in the module

Glossary

OBD-II: On-Board Diagnostics, a standardized system in vehicles for self-diagnosing and reporting.

Module: An electronic component in the vehicle that controls specific functions.

Related Codes

• U0481

• U0482

Laymans terms

This code means that the car's computer is having trouble talking to one of the parts in the car. It's like when your phone can't connect to Wi-Fi.

Explanation

U0480 indicates a communication error between the vehicle's control modules.

Technical description

The U0480 code is a network communication fault, specifically a 'Invalid Data Received from Accessory Protocol Interface Module A'. This means that the main control unit received data from a module that it couldn't understand.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect wiring and connectors for damage or corrosion.

• Check the module's software for updates or errors.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Reprogram or update the module software.

• Replace the faulty module if necessary.

Tools required

• OBD-II Scanner

• Multimeter

• Screwdrivers

Estimated repair cost

$150 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regularly check and maintain electrical connections.

• Update vehicle software as recommended.

• Avoid exposure to moisture and corrosive elements.

Error code type

Communication Error

User experience recommendations

• Have a professional diagnose the issue to avoid unnecessary repairs.

• Ensure your vehicle's software is up-to-date.

• Check for any recalls related to your vehicle's communication system.

Warranty information

Check with your vehicle manufacturer for warranty coverage on electronic components.

Historical data

U0480 is a relatively common code in vehicles with advanced electronic systems, often related to network communication issues.

Urgency level

Moderate – It should be addressed soon to prevent further electrical issues.

Legal and safety notice

Driving with a communication error may affect vehicle safety features. Address the issue promptly.

Testing conditions

• Vehicle in park with ignition on.

• All electrical systems operational.

Component location

The Accessory Protocol Interface Module is typically located behind the dashboard or near the fuse box.

FAQs

Q: Can I drive my car with a U0480 code?
A: While you can drive, it's best to address the issue soon to avoid potential electrical problems.

Q: Will resetting the code fix the problem?
A: Resetting the code may clear the warning temporarily, but the underlying issue should be diagnosed and repaired.

Last updated: Jan 15, 2026 • Source: internal database
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