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Home >> Volvo >> 2003 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Integrated Audio Module (IAM) And Infotainment Control Module (ICM) Diagnostic Trouble Codes >> ICM-1A5A: Communication With Integrated Audio Module (IAM). Signal Missing (2007-2014) >> Diagnostic Trouble Code (DTC) Information ICM-1A5A
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Diagnostic Trouble Code (DTC) Information ICM-1A5A

Condition 

The infotainment module (ICM) controls communication with the integrated audio module (IAM).

The diagnostic trouble code is generated in the infotainment control module (ICM) if the ICM registers a communication error with the integrated audio module (IAM).

The diagnostic trouble code can be detected when the ignition is on at least 75 seconds and battery voltage is greater than 11 V.

Fig 1: Identifying Integrated Audio Module (IAM)
GLL156332Courtesy of VOLVO CARS CORPORATION

Substitute Value 

Possible Source 

Fault symptom[s]