Pcm Code & Instant Snapshot: 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.
PCM CODE snapshot permits review of PCM data parameter values which were present at the time a code was set. If more than one code was set, the values associated with the last code will be stored. All displayed data will be prefixed by the letter "L".
The PCM INSTANT snapshot feature permits technician initiated recording of PCM data parameters at a particular instant, as chosen. All displayed information will be prefixed by the letter "S".