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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 665 (Transfer Case - NVG 263-NP1 (SELECTABLE)) >> Diagnostic Information & Procedures >> DTC C0550: EEPROM Or RAM Error >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

At each power up, the transfer case shift control module runs a self-test on the following components:

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