COVERS ALL MOST 100 PAGES FULL OF INFOMATION FOR SELF DIAGNOSTIC INFOMATION INCLUDING ALL POSSIBLE CODES.

Your Cadillac is equipped with a very good on-board diagnostic system capable of reading out the stored trouble codes. Contained here is information and instructions for entering the onboard self-diagnostic mode.

Sections include:

Operation of the "CHECK ENGINE" Indicator Light.
1980s Model Year Diagnostic Mode
1993-96 Fleetwood Diagnostic Mode
Early & Mid-1990s Model Year Diagnostic Mode (OBD-I)
Late-1990s Model Year Diagnostic Mode (OBD-II)
2000s Model Year Diagnostic Mode
Ultrasonic Rear Parking Assist (URPA) Diagnostic Mode