Retrieving Diagnostic Trouble Codes
WARNING: This page is about a different car, the 2001 Pontiac Grand Prix, 2001 Pontiac Firebird, 2001 Oldsmobile Intrigue, and 2001 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) is retrieved using Tech 2 scan tool. Follow scan tool manufacturer's instructions to perform tests.
Before diagnosing DTC(s), perform DIAGNOSTIC SYSTEM CHECK first. Scan tool is also used to perform test modes for diagnosis and service of the ABS/TCS system.
If multiple codes are displayed, begin diagnosis with code that is displayed first. See DIAGNOSTIC TROUBLE CODE DEFINITIONS table. Diagnose all codes in the order displayed by scan tool.