Code on top of chip???
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Senior Member
Joined: Nov 2003
Posts: 647
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From: Rockport, TX
Car: 1980 Jeep CJ7
Engine: AMC 360 with GM TBI
Transmission: TF727 set for kill...let's get it on!!!
Code on top of chip???
On top of my PROM (2732A) there is a code that reads "ATCP 3693"...what is this? Is it the BIN that was originally loaded at the factory? I haven't managed to run across this one in any of my searches. Any ideas?
TGO Supporter
Joined: Aug 2001
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From: NJ/PA
Car: Yes
Engine: Many
Transmission: Quite a few
Those two alphanumberics are the BCC and Prom ID, the ATCP is the broadcast code, which gives you the application for the prom. The 3693 is the PROM ID, the serial number the factory uses to track that particular part.
ATCP works out to be a 1990 caprice L05,automatic prom image originally, used in an '8746 ecm.
ATCP works out to be a 1990 caprice L05,automatic prom image originally, used in an '8746 ecm.
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