U0125
Lost Communication with Multi-axis Acceleration Sensor
2001-2005 BMW 325i E46 2.5L I6 🇩🇪
High SeverityNetwork
Description
Cannot communicate with the multi-axis accelerometer module used for stability and rollover detection.
Symptoms
- Stability control disabled
- Rollover protection disabled
- ESC warning light on
Common Causes
- Multi-axis sensor failure
- CAN bus wiring issue
- Module power loss
- Sensor damage from impact
Diagnostic Steps
- Check sensor module fuse
- Test power and ground
- Inspect CAN wiring
- Check sensor for physical damage
- Test sensor output
Repair Notes
Multi-axis sensors are used in rollover protection systems. Critical safety component.
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
U0125 on Other Vehicles
Common Questions
What does code U0125 mean on a 2001-2005 BMW 325i E46?
U0125 stands for "Lost Communication with Multi-axis Acceleration Sensor". Cannot communicate with the multi-axis accelerometer module used for stability and rollover detection.
What are the symptoms of U0125 on a BMW 325i E46?
Common symptoms of U0125 include: Stability control disabled, Rollover protection disabled, ESC warning light on.
What causes U0125 on a 2001-2005 BMW 325i E46?
Common causes of U0125 include: Multi-axis sensor failure, CAN bus wiring issue, Module power loss, Sensor damage from impact.