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98 eldo clear codes


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Your 98 might be different than my 95.

Pull up your codes. On mine I hit "warmer" and "off" at the same time.

Your codes will display, and it will end with PCM?

Hit up for yes, and then down for No until PCM Clear Codes? appears. Hit up for yes, it will clear the codes and display codes cleared. Exit by turning off the car, or on mine I hit the "reset" button on the left of the steering wheel.

WARNING: I'm a total car newbie, don't be surprised if I ask a stupid question! Just trying to learn.


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The "Yes" and "No" buttons are the A/C fan speed rocker, up for Yes and down for No. More here:

-- 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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