Question about 1989 Cadillac Sedan DeVille
When I start the vehicle (1991 Cadillac Deville), the Digital Fuel Data Center and the Electronic Climate Control are showing a small 'c' in the display and nothing else. The fuel center doesn't give any fuel information. The Electronic Climate Control can't be operated either. The blower for the Heat/AC is running on high and directed to the defrost on top of the dash.
Every now and then while driving, both start to work for a short time and then stop again.
This is defenetly the BCM, I had a 1990 with all of the same problems. Buy a rebuilt and install it behind the clove box. Remember that you must install you memory prom into the new unit as they don't come with any in them (it is what is memorizing your miles driven.) You will get off pretty easy on this one as they are available and not too expensive.
Posted on Jan 29, 2009
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Posted on Jan 02, 2017
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