Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information IAM-B12A011

Condition
The Integrated Audio Module (IAM) checks the direct current on the signal cable to AUX 2.
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:
- Request for 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
- The signal cable is short-circuited to ground.

Fault symptom[s]
- Accessory connected to the electronic module, malfunction