Self-Diagnostic System: Notes
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Diagnostic trouble code tests are written specifically for use with GM Tech 2 scan tools. Generic scan tool can be used but may have limited functions.