Diagnostic Trouble Code (DTC) Information IAM-3003

Condition 

Fig 1: Identifying Integrated Audio Module (IAM)

Courtesy of VOLVO CARS CORPORATION

If the Integrated Audio Module (IAM) registers that the impedance is too low in the speaker in the left-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 between the signal cables to the speaker in the left-hand front door.
• Internal fault in the speaker in the left-hand front door.

Fault symptom[s] 

• CD player inoperative.
• No sound from speakers.