U0426moderate severityNetwork
Invalid Data Received from Steering Angle Sensor
on 2006 Audi A3 3.2L VR6 · AWD
What this code means
Data from the steering angle sensor is invalid or out of expected range.
Symptoms
- Stability control disabled
- Power steering warning
- ESC light on
- Steering angle not centered
Common causes
- Steering angle sensor calibration lost
- Sensor failure
- CAN bus noise
- Clock spring issue
- Sensor wiring fault
Diagnostic steps
- Check steering angle sensor reading
- Perform steering angle calibration
- Test sensor output through full lock-to-lock
- Check clock spring
- Inspect sensor wiring
Repair notes
Perform steering angle sensor calibration. Common after alignment, battery disconnect, or steering work.
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Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus