Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble talking to a part called the Traffic Master Module. It's like when your phone can't connect to the internet.
The vehicle's network system is unable to establish communication with the Traffic Master Module, which could be due to wiring issues, a faulty module, or network problems.
The B2201 code is set when the vehicle's main computer (ECU) fails to communicate with the Traffic Master Module. This module is responsible for handling traffic-related information and services. The lack of communication can be due to a variety of issues including wiring faults, module failure, or network disruptions.
• Traffic information not displayed
• Navigation system errors
• Warning lights on the dashboard
• Faulty Traffic Master Module
• Damaged wiring or connectors
• Network communication issues
ECU: Engine Control Unit, the main computer in a vehicle.
OBD-II: On-Board Diagnostics, a standardized system in vehicles for self-diagnostics and reporting.
• Check for any other related trouble codes.
• Inspect the wiring and connectors to the Traffic Master Module.
• Test the Traffic Master Module for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the Traffic Master Module if faulty.
• Update the vehicle's software to the latest version.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $400
Moderate
• Ford Focus
• Toyota Camry
• Honda Accord
• Regularly check and maintain vehicle wiring.
• Ensure software updates are applied.
• Avoid exposure to extreme weather conditions.
Communication Error
• Have a professional diagnose the issue.
• Avoid using navigation features until fixed.
• Regularly update vehicle software.
Check with your vehicle manufacturer, as communication modules may be covered under warranty.
This code has been more prevalent in vehicles with advanced traffic and navigation systems introduced in the early 2000s.
Moderate – While the vehicle may still operate, navigation and traffic services may be unavailable or unreliable.
Driving without proper traffic information may lead to navigation errors. Ensure the issue is addressed promptly.
• Vehicle in parked position
• Ignition in the 'ON' position
The Traffic Master Module is typically located behind the dashboard or in the vehicle's central console.
Q: Can I still drive my car with this code?
A: Yes, but your navigation and traffic services may not work properly.
Q: Will this code affect my car's performance?
A: No, it primarily affects traffic and navigation functions.
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