Lost Communication with Audio Amplifier Module
2000-2002 Rolls-Royce Corniche 6.75L V8
Description
Cannot communicate with the audio system amplifier module.
Symptoms
- No sound from speakers
- Audio system not responding
- Radio display works but no output
- Infotainment audio features limited
Common Causes
- Amplifier module failure
- CAN bus or MOST bus wiring
- Module power loss
- Fuse blown
- Fiber optic cable damage
Diagnostic Steps
- Check amplifier fuse
- Test power and ground
- Check data bus wiring
- Inspect fiber optic connections if applicable
- Test amplifier with direct input
Repair Notes
Check fuses. On vehicles with MOST bus (BMW, Mercedes), check fiber optic connections.
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
U0150 on Other Vehicles
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 Seraph
1998-2002 5.4L V12
Rolls-Royce Silver Spirit
1990-1998 6.75L V8
Rolls-Royce Silver Spur
1990-1998 6.75L V8
Common Questions
What does code U0150 mean on a 2000-2002 Rolls-Royce Corniche?
U0150 stands for "Lost Communication with Audio Amplifier Module". Cannot communicate with the audio system amplifier module.
What are the symptoms of U0150 on a Rolls-Royce Corniche?
Common symptoms of U0150 include: No sound from speakers, Audio system not responding, Radio display works but no output, Infotainment audio features limited.
What causes U0150 on a 2000-2002 Rolls-Royce Corniche?
Common causes of U0150 include: Amplifier module failure, CAN bus or MOST bus wiring, Module power loss, Fuse blown, Fiber optic cable damage.