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Home >> Volvo >> 2012 >> XC90 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Brake Control Module (BCM) Diagnostic Trouble Codes - 1 Of 3) >> BCM-0100: Communication Between Control Modules. Communication Problems With The Engine Control Module (ECM) (2003-2004) >> Communication Problems With The Engine Control Module (ECM) >> Checking Diagnostic Trouble Codes (DTCS) In The Central Electronic Module >> Checking Other Diagnostic Trouble Codes (DTCS)

Checking Other Diagnostic Trouble Codes (DTCS)

WARNING: This page is about a different car, the 2007 Volvo XC90, 2006 Volvo XC90, 2005 Volvo XC90, 2004 Volvo XC90, and 2003 Volvo XC90. However, it is still accessible from the selected car via links, so may be relevant.

In the event of communication problems, the fault may exist in other parts of the communications network.

The role of the central electronic module is to generally control the communications network and to store diagnostic trouble codes (DTCs) in the event of communication problems between control modules.

If there are diagnostic trouble codes (DTCs) stored for communication problems in the central electronic module, stop the fault tracing and fault trace the central electronic module.

Were diagnostic trouble codes (DTCs) for communication problems stored in the central electronic module? 

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