Powertrain Control Module Diagnostic System Check: Notes
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
DO NOT perform diagnostic system check if there is not a driveability concern, unless another procedure directs you to this diagnostic procedure. Check for applicable Technical Service Bulletins (TSBs) before proceeding. Unless a diagnostic procedure instructs you, DO NOT clear DTCs. Ensure battery is fully charged before proceeding.