Diagnostic Trouble code (DTC) Displaying - HVAC System - Automatic

All DTCs can be displayed by using one of the following methods:
^ A Scan Tool.
^ The On-Board Service Diagnostic (OBSD).

Most of the diagnostic tables will refer to the Scan Tool for diagnostic support. For details on using the OBSD to display and/or clear DTCs refer to On-Board Service Diagnostic Procedure.