Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information IAM-B1B6911

Condition
The integrated audio module (IAM) checks DC voltage to the antenna amplifier.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Direct current (DC) is too low.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Activated control module.
- Activated radio.

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]
- Poor radio reception