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2002 cad dts

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Your owner's manual should have instructions on running your OBD codes. I have the 2002 FSM on DVD but can't locate the procedure for reading codes without a Tech II (the FSM is for techs, who have a Tech II).

There is a link to a Caddyinfo page in my signature block, right below the photo of my car's nice smile. An excerpt from that page:

DTC display; 1998-2004 Seville and 2000-2005 Deville

by JimD

Use the 3 switches located to the right of the Driver Information Center (DIC) to activate and respond to the OBD prompts on the DIC.
INFO DOWN or INFO UP = manual toggle

Ignition ON, acknowledge any warning messages;
press ON/OFF and INFO UP together for 2 to 3 seconds. Everything in front of you lights up for 4 or 5 seconds, then you will see:
Display shows "ALL?"

Answering YES will display "ALL CODES?"
Answering YES will run automatic test sequence and display codes, if any. Systems and codes will scroll faster than I am able to read them and write them; not to worry.

There's much more, follow the link.

-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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