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Silverado 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module > Component Information > Testing and Inspection > Initial Inspection and Diagnostic Overview

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Accessory Delay Module: Initial Inspection and Diagnostic Overview

Diagnostic Starting Point

DIAGNOSTIC STARTING POINT

Begin the system diagnosis with the Diagnostic System Check - Accessory Delay Module. The diagnostic system check will provide the following
information:

-

The identification of the control modules which command the system

-

The ability of the control modules to communicate through the serial data circuit

-

The identification of any stored diagnostic trouble codes DTCs and their status

The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.

Diagnostic System Check

DIAGNOSTIC SYSTEM CHECK

TEST DESCRIPTION

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module > Component Information > Testing and Inspection > Initial Inspection and Diagnostic Overview

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