Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information IAM-B125209

Condition
The Integrated Audio Module (IAM) checks the USB device.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- USB contact cannot be obtained within 2 seconds.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Self-test

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
- Open-circuit on signal cables.
- Incompatible USB accessory
- Damaged integrated audio module (IAM).

Fault symptom[s]
- USB unit/Does not work