What is your question?
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What is your question?
There is a removable chip inside small cover is that all I need to put in the other PCM?
What makes this problem better or worse?
already put one used PCM in and car wouldn't even start
How long has your 1996 Cadillac Seville had this problem?
just got car
1 Reply
New OR used - the ECM must be *pre programmed* to your vehicles vin number before it will work in your car! Below is a phone number you can call for more information - if desired: valuable resource of auto repair information. If you want to speak to us in person call the shop at 513-648-0444 (Monday-Friday 10:00-5:00 E.S.T.)