U0126
Lost Communication with Steering Angle Sensor Module
2012-2015 BMW 320i 2.0L I4 Turbo N20
Moderate SeverityNetworkGeneric (SAE)
Description
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
Repair Notes
Check clock spring and wiring. Replace sensor module if needed.
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
U0126 on Other Vehicles
Common Questions
What does code U0126 mean on a 2012-2015 BMW 320i?
U0126 stands for "Lost Communication with Steering Angle Sensor Module". Cannot communicate with the steering angle sensor.
What are the symptoms of U0126 on a BMW 320i?
Common symptoms of U0126 include: Stability control light, ESC disabled, Power steering warning (EPS vehicles).
What causes U0126 on a 2012-2015 BMW 320i?
Common causes of U0126 include: Sensor module failure, Clock spring issue, Wiring damage, CAN bus issue.