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Code U0210

Symptoms

• Right side mirror not responding

• Warning light on the dashboard

• Inability to adjust the right side mirror

Common Causes

• Faulty Right Side Mirror Control Module

• Wiring issues or poor connections

• Network communication problems

Glossary

OBD-II: On-Board Diagnostics, a standardized system for vehicle diagnostics.

Module: A component in the vehicle's electronic system responsible for specific functions.

Related Codes

• U0209

• U0211

Laymans terms

This code means that the car's computer can't talk to the right side mirror. It's like when your phone can't connect to the internet.

Explanation

The vehicle's main computer is unable to communicate with the right side mirror control module.

Technical description

U0210 is a communication error code indicating a loss of communication with the Right Side Mirror Control Module. This can occur due to wiring issues, a faulty module, or network problems within the vehicle's communication system.

Diagnosis steps

• Check for any other related codes.

• Inspect the wiring and connectors to the right side mirror.

• Test the Right Side Mirror Control Module for proper functionality.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Replace the Right Side Mirror Control Module if faulty.

• Reprogram the module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdrivers

Estimated repair cost

$100 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regularly inspect and maintain vehicle wiring.

• Ensure connectors are secure and free of corrosion.

• Avoid moisture exposure to electronic components.

Error code type

Communication Error

User experience recommendations

• Check mirror functionality regularly.

• Address dashboard warning lights promptly.

Warranty information

Check with your vehicle manufacturer as electronic components may be covered under warranty.

Historical data

U0210 has been a common issue in vehicles with complex electronic systems, often related to network communication problems.

Urgency level

Moderate – While it may not affect driving immediately, it should be addressed to ensure all vehicle systems function properly.

Legal and safety notice

Driving with a malfunctioning mirror can reduce visibility and safety. Address the issue promptly.

Testing conditions

• Vehicle in park with ignition on.

• Attempt to adjust the right side mirror.

Component location

The Right Side Mirror Control Module is typically located inside the door panel of the right side mirror.

FAQs

Q: Can I drive with this code?
A: Yes, but it's recommended to fix it soon to ensure full functionality of your mirrors.

Q: Will this code affect other systems?
A: It primarily affects the mirror, but unresolved communication issues can sometimes lead to other network-related problems.

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