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Home >> Volvo >> 2008 >> XC70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio Module (AUD), Integrated Audio Module (IAM) And Infotainment Control Module (ICM) Diagnostic Trouble Codes And Associated Procedures >> ICM-B104A23 Button 1. General Signal Failures. Signal Stuck Low (2012) >> Diagnostic Trouble Code (DTC) Information ICM-B104A23
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Diagnostic Trouble Code (DTC) Information ICM-B104A23

Condition 

The Infotainment control module (ICM) checks whether the back button has jammed.

The diagnostic trouble code (DTC) is stored if the control module detects that:

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

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.

Fig 1: Identifying Infotainment Control Buttons
GLL174533Courtesy of VOLVO CARS CORPORATION

Substitute Value 

Possible Source 

Fault symptom[s]