2001 Chevrolet Silverado 1500 Q&A

2001 Chevrolet Silverado 1500 Question: i just install a new computer on my truck, and it don't wont to start.

i getting from the message center, security lite, reduce engine power. -
Answer 1
You might have to bring it to a chevy dealer and get them to reflash the computer to the truck it happened to me already -
Answer 2
Was the computer reflashed before install? some have theft deterrent and a relearn is required before it will start This does not throw a check engine light code could be p1626,p1629, p1630,p1631 -