Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information IAM-B125219

Condition
The Integrated Audio Module (IAM) checks the USB device.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The USB accessory draws too much current (>1.7 A).
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position II.

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
- Incompatible USB accessory
- Damaged integrated audio module (IAM).
- Short-circuit to ground.

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