U0122
Lost Communication with Vehicle Dynamics Control Module
2016-2021 Mazda CX-3 2.0L I4 🇩🇪
Moderate SeverityNetwork
Description
Cannot communicate with the vehicle dynamics or yaw rate sensor module.
Symptoms
- Stability control light on
- ESC disabled
- Traction control not functioning
- Yaw rate data unavailable
Common Causes
- Yaw rate sensor module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Sensor damage from impact
Diagnostic Steps
- Check yaw rate sensor module fuse
- Test power and ground
- Check CAN wiring
- Inspect sensor for physical damage
- Check sensor mounting
Repair Notes
Check module fuse and mounting. Yaw rate sensors can be damaged by impacts or underbody contact.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0005High Speed CAN Communication Bus (+) High
U0122 on Other Vehicles
Common Questions
What does code U0122 mean on a 2016-2021 Mazda CX-3?
U0122 stands for "Lost Communication with Vehicle Dynamics Control Module". Cannot communicate with the vehicle dynamics or yaw rate sensor module.
What are the symptoms of U0122 on a Mazda CX-3?
Common symptoms of U0122 include: Stability control light on, ESC disabled, Traction control not functioning, Yaw rate data unavailable.
What causes U0122 on a 2016-2021 Mazda CX-3?
Common causes of U0122 include: Yaw rate sensor module failure, CAN bus wiring, Module power loss, Fuse blown, Sensor damage from impact.