ok I recently bought my buddies DHP PCM from him to use on my grand prix, but im a little hesitant still. I was wondering if it's going from one basically stock GP to another, is there any reason to worry? we both have CAI, and thats about the extent. Next month im going to be replacing the ubend and the cat, but probably not much else than that. Is everything cool to use it?

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2000 GOINDEF GP GT Coupe
Still Rockin At 180K miles
GOINDEF And Livin' Loud

Well, without reprogramming the VIN in the PCM to yours, its not going anywhere...

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2004 Impala LS - got some mods
NAIOA Moderator

Making you think twice before picking on Impalas

so I pretty much cant use it til i get my VIN programmed into it? see i thought that that might be the case, but he used it after buying it from a previous GP owner with no problems except the different thermostat code

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2000 GOINDEF GP GT Coupe
Still Rockin At 180K miles
GOINDEF And Livin' Loud

at the very least it will need a CASE learn...

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GreenBastardPerformance2000 GTP Coupe (the green bastard)
XP, Pacesetters, LS1 TB & MAF,MSD System, P&P LIM, P&P GenV w/ 3.2, 3.0, 2.8, Devil'sOwn Injected 100% Methanol,PowerTuned, TripleEdge Trans w/3.29's
12.92 @ 105mph

Maybe this is an Impala thing, but if the VIN in the PCM doesn't match the VIN in the BCM the PCM won't start as a security feature.

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2004 Impala LS - got some mods
NAIOA Moderator

Making you think twice before picking on Impalas

It's possible it could just be in the Impalas. I've never had a big issue with them in the GP's.

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GreenBastardPerformance2000 GTP Coupe (the green bastard)
XP, Pacesetters, LS1 TB & MAF,MSD System, P&P LIM, P&P GenV w/ 3.2, 3.0, 2.8, Devil'sOwn Injected 100% Methanol,PowerTuned, TripleEdge Trans w/3.29's
12.92 @ 105mph

Probably is a Chevy thing then. Similar thing with the radio (programmed to VIN match with the BCM and will lock out if a mismatch occurs).

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2004 Impala LS - got some mods
NAIOA Moderator

Making you think twice before picking on Impalas

hook it up and see what happens... some will run kinda cruddy, if thats the case, take it to the dealer or someone with a Tech II and have a Case learn run, if it runs fine after installing it... you do not actually ahve to do a case learn

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1997 Grand Prix SE L36 - Few Mods - Slow Times - But hey, she's a work in progress
Click Here or Sig Pic For My Cardomain

Well i emailed DHP and they said as long as its from the same kind of vehicle and a pre 04 vehicle then there shouldnt be anything wrong and everything will work

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2000 GOINDEF GP GT Coupe
Still Rockin At 180K miles
GOINDEF And Livin' Loud