U0199moderate severityNetwork
Lost Communication with Door Control Module A
on 2014 Audi A6 3.0L Supercharged V6 · AWD
What this code means
Cannot communicate with door control module A (usually driver door).
Symptoms
- Power windows not working
- Door locks inoperative from that door
- Mirror control not working
Common causes
- Module failure
- Wiring in door jamb broken
- Water damage in door
- Connector issue
Diagnostic steps
- Inspect door jamb wiring
- Check for water in door
- Test module power
- Check connector
Repair notes
Inspect door jamb wiring harness - flexing breaks wires over time.
Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0005
High Speed CAN Communication Bus (+) High