U2003moderate severityNetwork
Module VIN Not Programmed
on 2009 Audi TT 3.2L V6 · AWD
What this code means
A replacement module has not been programmed with the vehicle identification number.
Symptoms
- Module not fully functional
- Security features disabled
- Module not recognized by other systems
- Immobilizer issues
- Feature restrictions
Common causes
- Module replaced but VIN not written
- Programming procedure not completed
- Module rejects VIN programming
- Tool did not complete VIN write
Diagnostic steps
- Perform VIN programming on new module
- Use manufacturer tool for VIN write
- Verify correct VIN being programmed
- Check for module programming prerequisites
- Verify module accepts VIN
Repair notes
Program VIN into new module using manufacturer diagnostic tool. Some modules require online authorization.
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