U0134
Lost Communication with Active Steering Control Module
2002-2005 Audi A4 3.0L V6
High SeverityNetworkGeneric (SAE)
Description
Cannot communicate with the active or four-wheel steering control module.
Symptoms
- Steering warning light
- Active steering disabled
- Rear steering inoperative
- Steering feels different at speed
Common Causes
- Active steering module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Steering rack actuator issue
Diagnostic Steps
- Check active steering module fuse
- Test power and ground
- Check CAN wiring
- Test steering actuator
- Monitor steering angle data
Repair Notes
Active steering failure may affect vehicle handling. Drive cautiously. Check fuses and wiring.
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
U0134 on Other Vehicles
Common Questions
What does code U0134 mean on a 2002-2005 Audi A4?
U0134 stands for "Lost Communication with Active Steering Control Module". Cannot communicate with the active or four-wheel steering control module.
What are the symptoms of U0134 on a Audi A4?
Common symptoms of U0134 include: Steering warning light, Active steering disabled, Rear steering inoperative, Steering feels different at speed.
What causes U0134 on a 2002-2005 Audi A4?
Common causes of U0134 include: Active steering module failure, CAN bus wiring, Module power loss, Fuse blown, Steering rack actuator issue.