Module Internal Communication Error
2002-2004 Audi A6 3.0L V6
Description
A control module has detected an internal communication error between its processor and sub-components.
Symptoms
- Module reporting self-diagnostic fault
- Features managed by module degraded
- Warning light for affected system
- Module defaulting to safe mode
Common Causes
- Module internal hardware failure
- Module processor overheating
- Module power supply internal fault
- Module memory corruption
- Environmental damage to module
Diagnostic Steps
- Attempt module reset by disconnecting battery
- Update module software
- Check module operating temperature
- Inspect module for physical damage
- Replace module if error persists
Repair Notes
Attempt software update first. If internal error persists after update, module replacement is needed.
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
U1096 on Other Vehicles
Common Questions
What does code U1096 mean on a 2002-2004 Audi A6?
U1096 stands for "Module Internal Communication Error". A control module has detected an internal communication error between its processor and sub-components.
What are the symptoms of U1096 on a Audi A6?
Common symptoms of U1096 include: Module reporting self-diagnostic fault, Features managed by module degraded, Warning light for affected system, Module defaulting to safe mode.
What causes U1096 on a 2002-2004 Audi A6?
Common causes of U1096 include: Module internal hardware failure, Module processor overheating, Module power supply internal fault, Module memory corruption, Environmental damage to module.