Tech II Question
Thread Starter
Intermediate
Joined: Jul 2014
Posts: 40
Likes: 5
Tech II Question
Hey folks, I have purchased a tech 2 clone so I can properly bleed my ABS module and brake system along with insuring my steering wheel is at zero after removing the rack for a harmonic balancer install. My question is will an aftermarket tune prevent me from doing so? I have a custom Diablo tune and am not sure if the tune would prevent such actions or brick the ECM/PCM/BCM. Thanks!
Last edited by speedman; Feb 29, 2020 at 09:52 PM.
Drifting
Joined: Sep 2014
Posts: 1,924
Likes: 392
From: Atlanta - - - - - Save the manuals
THIS IS A GUESS!!!!!
Thinking out loud .... Since the TechII reads hex values that represent sensors etc. and does not modify those values, rather uses the values to send commands or config parameters to those sensors etc. using the CANBUS. I would think you would be fine as a tune does much same thing. If the HexValue of a part or sensor would get changed then that's when you would brick something.
I'm a DIY type and therefor trust nothing I say since I have never done this. I'm commenting more to go back to the top (ttt) since I'm curious about this answer.
Thinking out loud .... Since the TechII reads hex values that represent sensors etc. and does not modify those values, rather uses the values to send commands or config parameters to those sensors etc. using the CANBUS. I would think you would be fine as a tune does much same thing. If the HexValue of a part or sensor would get changed then that's when you would brick something.
I'm a DIY type and therefor trust nothing I say since I have never done this. I'm commenting more to go back to the top (ttt) since I'm curious about this answer.
Le Mans Master
Joined: Sep 2013
Posts: 6,192
Likes: 750
From: near the thumb in the mitten
When you going in to ABS Menu of Tech2, you will find special functions. The Tech2 will cycle valves and motor of EBTCM to free trapped air. You will still go through normal bleed procedure.
Melting Slicks
Joined: Oct 2010
Posts: 2,691
Likes: 166
From: Greenwood Indiana
I actually have to do this exact process this weekend. A good buddy of mine is a svc adviser at local GM dealer and is going to borrow one of their Tech II machines to do it. Amazing that my rears bled no problem at all, the fronts are acting like they aren't even connected to the booster LOL
There is has to be air in there (abs module), so hopefully that Tech II does it job that way I can bleed the fronts and get the tires on the car.
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Melting Slicks
Joined: Nov 2009
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From: Klein TX
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Good advice. Found out the hard way that the Tech2 draws more amps than you might expect. Not a problem for a quick code read, but for an extended session hook up your battery charger or power the Tech2 with a separate 12v battery. I use a 12v 18ah battery from a computer power supply, a motorcycle or ATV battery works too.
Last edited by wjnjr; Mar 4, 2020 at 09:49 PM.