Diagnostic Trouble Code (DTC) Information IAM-B1A011A
Condition
The integrated audio module (IAM) checks impedance in the front left door speaker.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Impedance too low.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Start-up of the control module.
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 between signal cables to speaker.
- Internal fault in the speaker.
Fault symptom[s]
- No sound from loudspeakers