car diagnosis tool DTC

How to Troubleshoot a 2002 Chevy Tahoe 1Remove the cover from the fuse box. This box is located beneath the steering column on the drivers side in the vehicle.2Plug the diagnostic scanning tool into the 16-pin data hyperlink connector (DLC) outlet supplied on the left side from the fuse box. Snap it firmly into spot but tend not to force it. If it will not fit properly the very first time car diagnosis tool, eliminate and reposition the scanner to ensure that it plugs in correctly.3Turn the key inside the ignition to "On" Professional diagnositic tools, but don't start off the auto. Turn on the scanner and wait for the diagnostic examine to become completed. Unplug and get rid of the scanner and replace the fuse cover.4Access the Diagnostic Trouble Codes (DTC) on the scanner employing the directions on the diagnostic scanner. Retrieve the stored code. Match this stored code to that in the owners manual to decide the Tahoe's personal computer reading.5Repair or replace the parts needed to make sure the right running from the Tahoe. Related articles: