1985-1996 Fleetwood and Brougham Forum Discussion, '86 FWB - no access to computer codes.. in Past Cadillac Vehicle Discussion; hey guys. On my '86 FWB, I've tried several times to get to the onboard computer by holding the off ...
- 03-16-04 02:55 PM #1Cadillac Owners Fanatic
- Automobile(s): 78 Eldorado x2; 99 Eldorado
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- Feb 2004
- Boston area
'86 FWB - no access to computer codes..
hey guys. On my '86 FWB, I've tried several times to get to the onboard computer by holding the off button and warmer on the climate control, but it never comes up with the display showing I've gotten into diagnostic mode...
What gives? Do I have a bad computer, or did they not allow diagnostics on certain model Caddies?
- 03-16-04 10:31 PM #2
Re: '86 FWB - no access to computer codes..
Yours probably uses blink codes. Theres a post in electrical with more info. Basically you have to jump two pins in the connector under the dash, and count the number of times the check engine light flashes
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