Module Configuration Incompatible
1995-2005 Pontiac Sunfire 2.2L I4
Description
The installed module configuration is incompatible with the vehicle network or other modules.
Symptoms
- Module not functioning after replacement
- Communication errors with new module
- Features not available
- System in degraded mode
Common Causes
- Wrong replacement module installed
- Module from different market/region
- Module not programmed for vehicle
- Software version incompatible
- Hardware revision mismatch
Diagnostic Steps
- Verify module part number
- Check software version compatibility
- Compare module to original specifications
- Program module with correct calibration
- Verify correct module for market/region
Repair Notes
Verify correct module is installed. Program with correct calibration for this specific vehicle.
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
U2001 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code U2001 mean on a 1995-2005 Pontiac Sunfire?
U2001 stands for "Module Configuration Incompatible". The installed module configuration is incompatible with the vehicle network or other modules.
What are the symptoms of U2001 on a Pontiac Sunfire?
Common symptoms of U2001 include: Module not functioning after replacement, Communication errors with new module, Features not available, System in degraded mode.
What causes U2001 on a 1995-2005 Pontiac Sunfire?
Common causes of U2001 include: Wrong replacement module installed, Module from different market/region, Module not programmed for vehicle, Software version incompatible, Hardware revision mismatch.