U3004
Module Identification Number Not Programmed
2014-2021 Mazda Mazda6 2.5L I4
Moderate SeverityNetworkGeneric (SAE)
Description
The module serial number or identification has not been programmed during setup.
Symptoms
- Module not fully recognized on network
- Security features limited
- Module pairing incomplete
- System reporting module mismatch
Common Causes
- New module not fully programmed
- Serial number transfer not completed
- Module pairing procedure skipped
- Tool did not complete ID programming
Diagnostic Steps
- Perform module identification programming
- Complete module pairing procedure
- Transfer serial number data
- Verify ID stored correctly
- Complete security authorization if required
Repair Notes
Program module identification using manufacturer tool. Some modules require online authorization for ID programming.
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
U3004 on Other Vehicles
Common Questions
What does code U3004 mean on a 2014-2021 Mazda Mazda6?
U3004 stands for "Module Identification Number Not Programmed". The module serial number or identification has not been programmed during setup.
What are the symptoms of U3004 on a Mazda Mazda6?
Common symptoms of U3004 include: Module not fully recognized on network, Security features limited, Module pairing incomplete, System reporting module mismatch.
What causes U3004 on a 2014-2021 Mazda Mazda6?
Common causes of U3004 include: New module not fully programmed, Serial number transfer not completed, Module pairing procedure skipped, Tool did not complete ID programming.