Lost Communication with Vehicle Dynamics Control Module
1998-2002 Rolls-Royce Silver Seraph 5.4L V12
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
- 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
U0122 on Other Vehicles
Rolls-Royce Corniche
2000-2002 6.75L V8
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code U0122 mean on a 1998-2002 Rolls-Royce Silver Seraph?
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 Rolls-Royce Silver Seraph?
Common symptoms of U0122 include: Stability control light on, ESC disabled, Traction control not functioning, Yaw rate data unavailable.
What causes U0122 on a 1998-2002 Rolls-Royce Silver Seraph?
Common causes of U0122 include: Yaw rate sensor module failure, CAN bus wiring, Module power loss, Fuse blown, Sensor damage from impact.