Network Configuration Not Learned
2007-2014 Land Rover LR2 3.2L I6
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
Land Rover Defender 110
2020-2024 3.0L I6 Mild Hybrid
Land Rover Defender 90
2020-2024 3.0L I6 Mild Hybrid
Land Rover Defender V8
2022-2024 5.0L V8 Supercharged
Land Rover Discovery
2017-2024 3.0L V6 Supercharged
Land Rover Discovery Sport
2015-2024 2.0L I4 Turbo
Land Rover LR3
2005-2009 4.4L V8
Land Rover LR4
2010-2016 5.0L V8
Land Rover Range Rover
2022-2024 3.0L I6 Mild Hybrid
Common Questions
What does code U2004 mean on a 2007-2014 Land Rover LR2?
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 Land Rover LR2?
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 2007-2014 Land Rover LR2?
Common causes of U2004 include: Battery disconnect without relearn, Module replacement without network setup, Configuration data lost, Programming interrupted.