Selecting An ECM Code Snapshot
WARNING: This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
To scroll through available codes, depress HI button on the ECC panel to advance to higher numbers. Depress LO button on ECC panel to return to lower numbers.