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1976 Cadillac Fleetwood Brougham and 1996 DeVille
121 Posts
Discussion Starter · #1 ·
My good friend has a 1987 Eldorado. Sometimes while starting the engine a code appears for about 1 second on the dash near the speed digits (red arrow on the attached photo).
The code is W=621 .
Anyone any clue what this means?

Thanks in advance for any info on this!


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