U0426moderate severityNetwork
Invalid Data Received from Steering Angle Sensor
on 2009 Audi R8 5.2L V10 (Gen 1, 525hp) · 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
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
Engine Control Module (ECM) - no communications
01315
Transmission Control Module (TCM) - No Communication
01316
ABS Control Module - No Communication
01317
Instrument Cluster Control Module (J285) - No Communication
01318
Immobilizer Control Module - No Communication
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus