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Cadillac Technician
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603 is a memory reset, probably a battery disconnect.
1599 is a stall detected. Is the car stalling intermittently?
1632 is a theft deterrent code. You might have wires getting ready to break inside the column. Ever have starting problems?
The B2710, 2711, and 2781 are also a theft deterrent codes.

The B1552 is a memory reset for the BCM.

Not sure about the other ones without getting to my '96 book.
 

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Discussion Starter · #3 ·
yes actually i am having stallin problems when i am at a red light idling in gear it will just shut off, i was hoping one of those codes would tell me what it is...and i already know about the wires and the pellet being bad in my key so that code is notihng new..help meee
 

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Could be crank sensors.
Do know where they are and how to inspect them?
If the top one is tan (the base, not the connector) then you need to replace them both.

Otherwise there are a few more things it could be.
 

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They were of questionable quality in 2000 and I would suspect the updated version was of a different color. I don't recall heaing of many problems with pre 2000's but ewill3rd would know better than I.
 

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12575481- UPPER-(GRAY IN COLOR)

12575482-LOWER-(BLACK IN COLOR)
They have updated them like 5 times since their inception.
The latest ones have a gray upper sensor and a black lower sensor.
If the top one is tan, I would question it's reliability. We have replaced hundreds of them for stalling and DTC concerns.

Remember the connectors are all gray, so be sure to look at the actual body of the sensor. You can see it with a flashlight looking straight up at it, but you have to know where they are.
 

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Discussion Starter · #9 ·
so you think it could be something as simple as a battery problem huh? i noticed when i switch to my battery volts on the dash it fluctuates (if i spelt that right) so maybe that could be it? but i see no corrosion or anything at all
 

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Anything is possible. There is a lot of electronics on these cars and I know Caddys don't like low voltage. All sorts of wierd things start happening. It would be worth checking out.
 
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