Diagnostic Trouble Code (DTC) Information IAM-3012

Condition 

Fig 1: Identifying Integrated Audio Module (IAM)

Courtesy of VOLVO CARS CORPORATION

If the Integrated Audio Module (IAM) registers that the signal is too high on the signal cable from the speaker in the right-hand front door, then the Diagnostic Trouble Code (DTC) is generated.

The diagnostic trouble code can be diagnosed when the ignition is on.

Substitute Value 

• Nothing.

Possible Source 

• Short circuit to supply voltage on the signal cable between the control module and speaker in the right-hand front door.

Fault symptom[s] 

• CD player inoperative.
• No sound from speakers.