Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information IAM-U300049

Condition
The Integrated Audio Module (IAM) checks internal components in the control module.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Interrupted or no communication between the control module processor and the memory.
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
- Damaged integrated audio module (IAM).

Fault symptom[s]
- Audio system does not function