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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 411 (Transfer Case - BW 4482-Nr4) >> Description and Operation >> Transfer Case Description and Operation >> Service 4WD Indicator

Service 4WD Indicator

WARNING: This page is about a different car, the 2004 GMC Yukon XL and 2004 GMC Yukon. However, it is still accessible from the selected car via links, so may be relevant.

The SERVICE 4WD indicator is an integral part of the cluster and cannot be serviced separately. This indicator is used to inform the driver of the vehicle of malfunctions within the FT4WD transfer case system. The SERVICE 4WD indicator is controlled by the transfer case shift control module via a Class 2 message.

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