garajizOBD-II code · manufacturer-specific
B2201
No Communication With Traffic MasterModule
- System
- B — Body electronics
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does B2201 mean?
B2201 is defined as “No Communication With Traffic MasterModule”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- BMW, Mini: No Communication With Traffic MasterModule
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This page is general information; an exact diagnosis needs measurements and a technician’s check.