Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information IAM-B117A13

Condition
The Integrated Audio Module (IAM) checks the signal in the signal cable to the backup microphone.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- The signal is missing or incorrect.
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
- Open-circuit on signal ground cable.

Fault symptom[s]
- Non-definable symptom