Driver information center

Hello.

It is true that older vehicles can be a challenge especially when dealing with electrical concerns and Cadillac is no exception.

Your mechanic's diagnosis does seem on par for the situation and based on the age of the vehicle, parts availability is difficult.

As the flagship badge in the GM line, Cadillac was the guinea pig for new technology usually getting it years before it became available on the other lines. The DIC (driver information center) available in 1991 was cutting edge but of course rudimentary by today's standards and when they became faulty several complications could arise.

Obtaining a factory new part is going to be very difficult because they are long since discontinued. Old stock is either languishing under dust in an obscure dealership or was bought years ago by a third party vendor and when their stock was depleted that was basically that.

It is correct that simply researching a VIN number will not reveal the exact part used in your vehicle as there were several variations. Each part does have a part number designation on a white sticker with what will look like a barcode. That sticker is usually located on the back of the part which does require removal to obtain.

Back in the day dealerships would remove the faulty part and send it to the vendor and "exchange" it for a remanufactured one.

That might be your best bet at this point. There are still several vendors capable of identifying and/or remanufacturing the model you currently have but if the sticker is missing or faded and cannot be read they will need it in hand.

Contact your local Cadillac dealer and ask who they use in such situations.

Please let us know what you find. We are interested to see what it is.