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Self-Diagnostic System: Notes

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. 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 1 or Tech 2, or equivalent, scan tools. Generic scan tool can be used but may have limited functions. This article only covers a portion of those systems which relates to cruise control system diagnosis. For further information, see SELF-DIAGNOSTICS - 3.5L or SELF-DIAGNOSTICS - 4.0L article in ENGINE PERFORMANCE.