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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Transfer Case - NVG 263-NP1 - Service & Diagnosis) >> Diagnostic Information and Procedures >> DTC B0790 >> Circuit Description

Circuit Description

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The neutral indicator circuit consists of an ignition 3 voltage circuit and a neutral indicator control circuit. When the neutral mode has been selected by the driver, current is supplied to the neutral indicator by the ignition 3 voltage circuit, traveling through the neutral indicator LED at which time the transfer case shift control module supplies the ground through the neutral indicator control circuit. This diagnostic trouble code (DTC) detects an open, a short to ground, or a short to voltage.

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