Yukon 2WD V8-5.3L (2007)
Seat Heater: Initial Inspection and Diagnostic Overview
DIAGNOSTIC STARTING POINT - SEATS
Begin the system diagnosis with the Diagnostic System Check - Vehicle. The Diagnostic System Check will provide the following information:
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The identification of the control modules which command the system.
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The ability of the control modules to communicate through the serial data circuit.
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The identification of any stored diagnostic trouble codes (DTCs) and their status. See: Testing and Inspection/Initial Inspection and Diagnostic
Overview/Diagnostic Starting Point - Vehicle
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
