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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 882 (Transfer Case - NVG 236/246-NP8 (Two Speed Automatic)) >> Description and Operation >> Transfer Case Description and Operation >> SERVICE 4WD Indicator:

SERVICE 4WD Indicator:

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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 lamp is used to inform the driver of malfunctions within the ATC system. The SERVICE 4WD indicator is controlled by the transfer case shift control module via a Class 2 message or by a Service Indicator Control circuit.

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