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Home >> GMC >> 1998 >> C3500 HD 7.4 J, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Transfer Case - Diagnosis - New Venture 246) >> DTC Tests >> DTC B2725: Select Switch Circuit Malfunction >> Conditions For Setting DTC

Conditions For Setting DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1998 GMC Yukon, 1998 GMC Suburban, 1998 GMC Pickup, 1998 GMC Cab & Chassis, and 1998 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

System constantly monitors voltage on Light Blue/Black wire circuit. If improper voltage level is detected outside .5-1.0 volts when no buttons are depressed, DTC B2725 is set. Shift will be disabled and SERVICE 4WD light will be on for remainder of current ignition cycle.

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