Initial Inspection and Diagnostic Overview

1. Check for stuck or loose LH or RH Door Ajar Switch.
2. Make sure ground G106 is clean and tight.
3. Check for the presence of Central Control Module (CCM) malfunction codes and/or normal operation of the CCM.
^ Check for a broken (or partially broken) wire inside of the insulation which could cause system failure but prove "GOOD" in a continuity/voltage check.
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems (see Tech Tips).