Pcv 5
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
No, it works downstream of the ECM to intercept the data and the ECM doesn't even know it's attached. We've heard this before from dealers who prefer to sell you another tuner, and/or are simply misinformed.
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Cruiser
Joined: Apr 2010
Posts: 192
Likes: 2
Wow, stated with a lot of confidence. I take it you are absolutely sure of this? I'm not questioning you....its just that I'm very naive and don't want to think that the dealership service manager would state something that just isn't possible.
Thanks for your time and information!
Thanks for your time and information!
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
Wow, stated with a lot of confidence. I take it you are absolutely sure of this? I'm not questioning you....its just that I'm very naive and don't want to think that the dealership service manager would state something that just isn't possible.
Thanks for your time and information!
Thanks for your time and information!
As for verity of information given by HD service personnel, there are a large number of examples you can read about here that would tarnish any suggestion of a perfect record, and that's a comical understatement. That's not to say that all service personnel are always wrong or make a practice of uttering false claims, but there are some that do, and it is these that we hear about the most. I'm sure the true and honest statements made universally far outweigh the false ones, but some are downright incredible in their absurdity. IMO this one is categorically false until we hear one verifiable example.
Outstanding HDF Member
Joined: May 2008
Posts: 2,543
Likes: 19
From: Ashland Ohio
Most I have ever hears is the PC itself taking a crap, and THEN to get home, just plug the ECM in straight and take it very easy. ECM is fairly robust.
Let me say something... dealers and dealer techs can SOMETIMES be straight idiots. Just like anything else, if you think about it. There are good and bad dealers/ techs in EVERY profession and dealerships.
I have NOT heard of one verifiable instance of a PC taking an ECM down with it, either. I HAVE heard of numerous PC failures by themselves, but not what you ascribe to that service manager. And... most of those PC failures are related to bad installs.
Let me say something... dealers and dealer techs can SOMETIMES be straight idiots. Just like anything else, if you think about it. There are good and bad dealers/ techs in EVERY profession and dealerships.
I have NOT heard of one verifiable instance of a PC taking an ECM down with it, either. I HAVE heard of numerous PC failures by themselves, but not what you ascribe to that service manager. And... most of those PC failures are related to bad installs.
Last edited by wurk_truk; Jul 2, 2011 at 07:49 PM.
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
As for PC failures related to bad installs, how can you install a PC wrong? You just plug it in. Bent pins on the ECM connector? Yep, that happens, but does that ever trash the PC? Straighten the pin(s) and it should straighten up. Water in the connector will cause malfunction, but I've never heard of that causing a permanent failure. Just blow out the water, glob some dielectric grease on the connector, and plug it back in.
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