Clearing Trouble Codes: Notes
WARNING: This page is about a different car, the 1991 Cadillac Fleetwood and 1991 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If PCM codes are cleared, all snapshot code data will be cleared. See PCM CODE & INSTANT SNAPSHOT
and EXITING DIAGNOSTICS
.