U0150low severityNetwork
Lost Communication with Audio Amplifier Module
on 2007 Mercedes-Benz S65 AMG 6.0L V12 BiTurbo M275 · RWD
What this code means
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.
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Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus