Network Configuration Error
2003-2009 Toyota 4Runner 4.7L V8
Description
General network configuration error detected. Module network settings do not match vehicle configuration.
Symptoms
- Feature not working despite being equipped
- Module not recognized on network
- System not initializing properly
- As-built configuration mismatch
Common Causes
- Incorrect module configuration after replacement
- Wrong module installed
- Vehicle configuration not programmed after service
- Module needs VIN programming
- As-built data not transferred
Diagnostic Steps
- Verify module part number for vehicle
- Check as-built configuration data
- Program module with correct vehicle configuration
- Transfer VIN and calibration data
- Check for required module initialization procedure
Repair Notes
Module needs to be configured for this specific vehicle. Program with correct as-built data and VIN.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0005High Speed CAN Communication Bus (+) High
U2000 on Other Vehicles
Toyota 4Runner
2003-2009 4.0L V6
Toyota 4Runner
2010-2024 4.0L V6
Toyota 86
2017-2020 2.0L H4
Toyota Alphard
2023-2025 2.4L I4 Turbo T24A-FTS
Toyota Alphard
2023-2025 2.5L I4 Hybrid A25A-FXS
Toyota Altezza
1998-2005 2.0L I4 3S-GE BEAMS
Toyota Altezza
1998-2005 2.0L I6 1G-FE
Toyota Aqua
2011-2021 1.5L I4 Hybrid 1NZ-FXE
Common Questions
What does code U2000 mean on a 2003-2009 Toyota 4Runner?
U2000 stands for "Network Configuration Error". General network configuration error detected. Module network settings do not match vehicle configuration.
What are the symptoms of U2000 on a Toyota 4Runner?
Common symptoms of U2000 include: Feature not working despite being equipped, Module not recognized on network, System not initializing properly, As-built configuration mismatch.
What causes U2000 on a 2003-2009 Toyota 4Runner?
Common causes of U2000 include: Incorrect module configuration after replacement, Wrong module installed, Vehicle configuration not programmed after service, Module needs VIN programming, As-built data not transferred.