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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 625 (Transfer Case - NVG 263-NP1 (SELECTABLE)) >> Diagnostic Information & Procedures >> DTC C0550: EEPROM Or RAM Error >> Test Description

Test 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.

The number below refers to the step number on the diagnostic table.

  1. 2)  - This step replaces the transfer case shift control module.
    2. Fig 1: DTC C0550 Diagnosis
    G01668895Courtesy of GENERAL MOTORS CORP.
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