Module VIN Not Programmed
2018-2021 Chevrolet Beat 1.2L I4
Description
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.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U2003 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beretta
1990-1996 2.2L I4
Chevrolet Beretta
1990-1996 2.3L I4 Quad 4
Common Questions
What does code U2003 mean on a 2018-2021 Chevrolet Beat?
U2003 stands for "Module VIN Not Programmed". A replacement module has not been programmed with the vehicle identification number.
What are the symptoms of U2003 on a Chevrolet Beat?
Common symptoms of U2003 include: Module not fully functional, Security features disabled, Module not recognized by other systems, Immobilizer issues, Feature restrictions.
What causes U2003 on a 2018-2021 Chevrolet Beat?
Common causes of U2003 include: Module replaced but VIN not written, Programming procedure not completed, Module rejects VIN programming, Tool did not complete VIN write.