Mechanics

CHEVY ECM REPLACEMENT

1999 Chevrolet Silverado

Computer problem
1999 Chevy Silverado V8 Four Wheel Drive Automatic 248000 miles

I have a replacement ECM from NAPA that was flashed before shipping from A1 Cardone. According to the instructions I will have to perform a Passlock Relearn procedure. This entails cycling the key and waiting on the security light. Is there anything else I will need to do to complete this process.
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Dyna9874
February 9, 2008.




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