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Eric, Automotive Repair Shop Manager
Category: Pontiac
Satisfied Customers: 32043
Experience:  20+ yrs. experience as repair shop manager and technician.
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Not sure if it has the original ecm pcm, 2002 grnd am, the

Customer Question

not sure if it has the original ecm pcm
JA: What is the model/year of your Pontiac?
Customer: 2002 grnd am
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: the car will start only if I pull the bcm fuse reinstall the fuse starts and runs but only will allow 3000 rpm and shifts funny.
JA: How old is the transmission? Have you noticed any leaking?
Customer: no leaking changed the filter and fluid all looked goog no junk in the pan or smell
JA: Anything else you want the mechanic to know before I connect you?
Customer: wondered where I would find the number on the vehicle that should match the computer
Submitted: 10 months ago.
Category: Pontiac
Expert:  Eric replied 10 months ago.


There is not any number, whether vin or rpo code that will tell you if your pcm is the original or not.

I can tell you the original part number if you can tell me which engine is in it - 2.2 or 3.4