LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2006 >> HHR L4-2.2L >> Repair and Diagnosis >> Body and Frame >> Locks >> Keyless Entry >> Testing and Inspection >> Initial Inspection and Diagnostic Overview
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Initial Inspection and Diagnostic Overview



DIAGNOSTIC STARTING POINT - KEYLESS ENTRY

Begin the system diagnosis with the Diagnostic System Check - Vehicle. The Diagnostic System Check - Vehicle 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 DTCs and their status Testing and Inspection

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