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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Integrated Audio Module (IAM) And Infotainment Control Module (ICM) Diagnostic Trouble Codes >> ICM-U1A1587 Incomplete Most Ring Reported By ICM. Bus Signal / Message Failures. Missing Message (2008) >> Fault-Tracing >> Checking The Infotainment Control Module (ICM)
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Checking The Infotainment Control Module (ICM)

The malfunction was caused by an internal error in Infotainment control module (ICM).

Continue the fault-tracing therefore by reading off diagnostic trouble codes (DTCs) from the infotainment control module (ICM) and then following the relevant fault-tracing procedures. Then go back and troubleshoot using ring break-diagnosis.

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