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Circuit Description

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The transmission control module (TCM) requires ignition voltage to operate correctly. The voltage signal should be direct from the ignition switch to avoid any interference.

DTC P0563 is a type C DTC.

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