99 deville RFA U1000 help

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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 99 deville RFA U1000 help in Past Cadillac Vehicle Discussion; I have a 1999 Cadillac Deville (220,000 kms). Recently my engine light came on and only current code is the ...
  1. #1
    J_Diggz09 is offline Cadillac Owners Member
    Automobile(s): 99 Cadillac Deville
    Join Date
    Apr 2009

    99 deville RFA U1000 help

    I have a 1999 Cadillac Deville (220,000 kms). Recently my engine light came on and only current code is the RFA U1000, which has something to do with the door locks? or remote. Could someone please tell me what could be causing it and how to fix? Thank you in advance

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 65500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: 99 deville RFA U1000 help

    Pull your codes again and post them all - Current or History. If the fault which set the MIL or SES light is there, it will show as C if it happens again within 3 start-run cycles and will stay as History for 40 successful cycles when it then self-clears.

    Sometimes the SES light needs to be manually cleared using your built-in diagnostics. The light is usually set by P code(s).

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