U0422
Invalid Data Received from Body Control Module
2002-2004 Audi A6 3.0L V6
Moderate SeverityNetworkGeneric (SAE)
Description
The data from the BCM is invalid, causing other modules to misinterpret body system states.
Symptoms
- Multiple body electronic glitches
- Lights behaving erratically
- Lock/unlock inconsistent
- Warning messages incorrect
Common Causes
- BCM software corruption
- CAN bus noise
- BCM partial failure
- Water damage to BCM
- Bad BCM ground
Diagnostic Steps
- Check BCM for stored codes
- Update BCM software
- Test CAN bus signal quality
- Inspect BCM for water damage
- Check BCM ground connections
Repair Notes
Reprogram BCM. Check for water intrusion at BCM location. Inspect ground connections.
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
U0422 on Other Vehicles
Common Questions
What does code U0422 mean on a 2002-2004 Audi A6?
U0422 stands for "Invalid Data Received from Body Control Module". The data from the BCM is invalid, causing other modules to misinterpret body system states.
What are the symptoms of U0422 on a Audi A6?
Common symptoms of U0422 include: Multiple body electronic glitches, Lights behaving erratically, Lock/unlock inconsistent, Warning messages incorrect.
What causes U0422 on a 2002-2004 Audi A6?
Common causes of U0422 include: BCM software corruption, CAN bus noise, BCM partial failure, Water damage to BCM, Bad BCM ground.