Diagnostic Trouble Code (DTC) Information ICM-1A51

Condition 

Fig 1: Identifying Audio Control Module

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The infotainment control module (ICM) checks the communication with the audio module (AUD).

The diagnostic trouble code (DTC) is stored if the infotainment control module (ICM) registers a fault in the communication with the audio module (AUD).

The diagnostic trouble code (DTC) can be diagnosed with the ignition on and the battery voltage above 11 V.

Substitute Value 

• None.

Possible Source 

• Internal fault in the audio module (AUD)
• No audio module (AUD).

Fault symptom[s] 

• Audio unit not operating.