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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Transfer Case - BW 4484) >> Description and Operation >> Transfer Case Description and Operation >> Service 4WD Message

Service 4WD Message

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

The SERVICE 4WD message is displayed on the driver information center (DIC), which is an integral part of the instrument panel cluster (IPC) and cannot be serviced separately. This message is used to inform the driver of conditions within the FT4WD transfer case system. The SERVICE 4WD message is controlled by the transfer case shift control module via a Class 2 message.

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