U0126
NetworkModule Communicationmoderate severityLost Communication with Steering Angle Sensor Module
What U0126 Means
Cannot communicate with the steering angle sensor.
Symptoms
- Stability control light
- ESC disabled
- Power steering warning (EPS vehicles)
Common Causes
- Sensor module failure
- Clock spring issue
- Wiring damage
- CAN bus issue
Diagnostic Steps
- Check module power
- Test clock spring
- Inspect wiring
- Check CAN bus
Where to start: Check clock spring and wiring. Replace sensor module if needed.
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