P0234 Turbocharger Over-boost Condition, thats normal without a boost fooler.

P1755 P1755-TRANSMISSION THROTTLE VALVE CONTROL CIRCUIT. That's the TTVA motor.

P2509 Powerdown Data Lost Error, sounds like a possible connection or ECU problem.

U0121 Lost Communication With Anti-lock Brake Module, possible connection or ECU problem.


Offhand, you might have a bad ECU. Check your batteries and make sure they are good and all the cables are good and tight. Beyond that you may have to have a dealer deep scan it for more info.

 

the 1755 and 2509 came on a while back when my batteries went dead and i have a brand new built tranny in there. i will call the stealership tomorrow and see what happens. so i guess i should probably take the clamp of now and bring it to them huh? after i charged the batteries those two went away though

 

Ok, that makes sense as does the U0121. Clear all those codes out and start again to see what happens.

Your turbo is working, there do not seem to be any boost leaks, but your boost is low without the WG blocked. If you have dealer help take it back and have them put their scanner on it and see if an issue pops up.

And yes, taking the vice grips off before taking it to the dealer is a good idea.

 

is there a way to clear the codeswithout a scanner? and so you don't think it is an issues with my ECU then? i have a buddy who has a snap on scanner maybe i will try him first then take it to the dealer next

 

Hard to tell if it is the ECU or what. Wouldn't discount it completely but there are other things to check.

A scanner or a down loader like Smarty is the only way to completely clear the codes. Run the SnapOn and see what it has to say before you take it to the dealer. Maybe something will jump out thats obvious.

 

The location of the boost tap is perfectly okay, our high ram intake kits have a port there for boost, water meth etc...

On a stock 06 you are going to make 20-25psi boost without the wastegate blocked off and as much as 30 plus PSI.... like you are seeing with the wastegate out of the picture. Problem there is without the use of a boost fooler the ECM will start to defuel and you will get those codes. Wiith a chip/module like an Edge that have physical connections to the MAP sensor and ECM built in so a boost fooler is not needed. Most tuners do not have these features so a boost fooler is used. Both are recommended to run with an adjustable wastegate.

Blocking off the wastegate is a quick fix but a proper adjustable wastegate should be used to prevent overspinning the turbo once you get that Smarty. If an upgraded turbo is in your plans, the Super B Turbo's include an adjustable wastegate and wastegate fooler.

High Ram Intake
Boost Fooler
Adjustable Wastegate
Super B Turbo


Hope this helps
Dave Dias

 

So would a boost fooler actually give me more boost then even though i do not have a programmer yet or is it actually gonna hurt my performance?

 

A boost fooler is going to clamp the voltage coming from the MAP to about 28 psi until it hits around 40 psi then it will rise to the point the ECU will open the WG.

Stock you SHOULD be able to make 28-30 psi without a fooler, 35-40 with a fooler. There wil be no real performance gain but it will take a couple hundred degrees off the top end EGT's.

Truthfully, you should have been able to make over 40 psi with the WG blocked on a stock tune. Since it didn't is why I am wondering if you have another problem somewhere.

 

40 Psi, that much? I have an 03 and it was 33 max, I guess those 06's has some potential out of the box... and they cap them at less than 25PSI???

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More boost the better... within the turbo and head gaskets limits. We wastegate our turbos at 45PSI and the head gasket are fine all day long. 45PSI is a bit much for the stock turbo though.

Dave Dias

 

i will get the codes cleared and scanned to see if something sticks out then go from there. thanks for the help guys and i will let you know what i find out. also when it got to 35 psi is when the check engine light came on so instinctivly i backed off i might have been able to hit 40 but like i said it was instinct to back off.