Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information SUB-U300316

Condition
Subwoofer module (SUB) checks its own system voltage by comparing direct voltage to the system voltage in the Central electronic module (CEM).
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The control module's system voltage is at least 2 V lower than the system voltage in the Central electronic module (CEM).
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Activated control module.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- The power supply cable is short-circuited to ground.

Fault symptom[s]
- Audio other/Other audio problems
- No sound from subwoofer