Network Configuration Not Learned
2000-2012 Mitsubishi Eclipse 2.4L I4 🇬🇧
Description
The vehicle network configuration has not been learned or stored after module replacement or reset.
Symptoms
- Systems not communicating properly
- Features missing after service
- Modules not recognizing each other
- Network topology error
Common Causes
- Battery disconnect without relearn
- Module replacement without network setup
- Configuration data lost
- Programming interrupted
Diagnostic Steps
- Perform network configuration learn procedure
- Run module discovery scan
- Program as-built data
- Perform SBL (System Bus Learn)
- Complete post-service initialization
Repair Notes
Run network configuration or module discovery procedure. Required after replacing network modules.
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
U2004 on Other Vehicles
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Eclipse
2006-2012 2.4L I4
Mitsubishi Eclipse
2006-2012 3.8L V6
Mitsubishi Eclipse Cross
2018-2024 1.5L I4 Turbo
Mitsubishi Eclipse Cross
2018-2024 1.5L Turbo I4
Mitsubishi Eclipse Cross PHEV
2022-2024 2.4L I4 PHEV
Common Questions
What does code U2004 mean on a 2000-2012 Mitsubishi Eclipse?
U2004 stands for "Network Configuration Not Learned". The vehicle network configuration has not been learned or stored after module replacement or reset.
What are the symptoms of U2004 on a Mitsubishi Eclipse?
Common symptoms of U2004 include: Systems not communicating properly, Features missing after service, Modules not recognizing each other, Network topology error.
What causes U2004 on a 2000-2012 Mitsubishi Eclipse?
Common causes of U2004 include: Battery disconnect without relearn, Module replacement without network setup, Configuration data lost, Programming interrupted.