Network Configuration Not Learned
2010-2010 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
2008-2008 1.3L I4 4A90
Mitsubishi Colt JP
2008-2008 1.5L I4 4A91
Mitsubishi Colt JP
2009-2009 1.3L I4 4A90
Mitsubishi Colt JP
2009-2009 1.5L I4 4A91
Mitsubishi Colt JP
2010-2010 1.3L I4 4A90
Mitsubishi Colt JP
2010-2010 1.5L I4 4A91
Mitsubishi Colt JP
2011-2011 1.3L I4 4A90
Mitsubishi Colt JP
2011-2011 1.5L I4 4A91
Common Questions
What does code U2004 mean on a 2010-2010 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 2010-2010 Mitsubishi Eclipse?
Common causes of U2004 include: Battery disconnect without relearn, Module replacement without network setup, Configuration data lost, Programming interrupted.