Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information AUD-U300316

Condition
The Audio module (AUD) checks its own system voltage by comparing the DC voltage with 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
- Short-circuit to ground in the power supply cable.

Fault symptom[s]
- No sound from loudspeakers
- Poor or bad sound