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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 02-03-2007, 02:38 PM
Brazi Brazi is offline
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Exclamation MAJOR Problems - Need Help Desperately

Hello,


This is an emergency!!

I have imported a Hummer H3 2006 to Brazil, South America. The VIN is 5GTDN136968173835. It has only 2500 miles now.
There are no dealerships or authorized assistance here and, unfortunately, I am experiencing MAJOR problems with my automobile. The car worked fine for about 6 months but now it is stalling after driving for 5-10 minutes. After that it takes about 3 minutes to start again. It is virtually unusable.

The messages in the display are:
Stab Sys Traction Failed Reduced Power

I have found a shop that has a scanner and the engineer there tells me got the following error messages with it:

ECM P0601 - Control Module ROM
EBCM Malfunction ? C0240 - ABS Traction Control

I don?t even know how to start going about this and I will REALLY appreciate any help or input. I love the car and I don?t know what to do.

Sincerely

Marlus Pasinato
mp@dantai.com.br
msn marlus_pasinato@hotmail.com
+55 41 99739207
+55 41 3023.9207
+55 42 3014.4200
5GTDN136968173835
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  #2  
Old 02-03-2007, 03:41 PM
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f5fstop f5fstop is offline
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Default Re: MAJOR Problems - Need Help Desperately

P0601 is not a good code. If the vehicle is still running, it means the internal ROM chip is losing its integrity. The fix is to reprogram and see if that fixes the problem, if not, the PCM has to be replaced and the new on programmed. The only way to program the PCM is via a Tech 2 and the GM service programming system. You might be able to purchase an aftermarket PCM; not sure on this so someone else may chime in.

C0240 means the EBCM will not allow traction control/stability control since it cannot receive a confirmation from the PCM, via the class 2 serial data link, that the PCM is actively reducing (controlling) engine torque. This code may be a by-product of the P0601, due to the integrity of the ROM, and the PCM's calibration.

If there are any GM dealers in the area, they might have the equipment to program the module to see if it requires replacement. I believe SPS is used down there, and if so, the dealer might have access to all GM programs/calibrations via GM's TIS2WEB website. Again, not sure.
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  #3  
Old 02-03-2007, 03:53 PM
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RubHer Yellow Ducky RubHer Yellow Ducky is offline
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Default Re: MAJOR Problems - Need Help Desperately

Well Marlus, you got the best help thats available...

GOOD LUCK

RYD
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  #4  
Old 02-03-2007, 05:54 PM
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K9sH3 K9sH3 is offline
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Default Re: MAJOR Problems - Need Help Desperately

Quote:
Originally Posted by RubHer Yellow Ducky
Well Marlus, you got the best help thats available...

GOOD LUCK

RYD


x2

Now print out all he said and take it to a GM service provider.

Good luck!
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Old 02-03-2007, 06:11 PM
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marin8703 marin8703 is offline
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Default Re: MAJOR Problems - Need Help Desperately

I beleive you can get a new pcm from pcmforless.com. http://www.pcmforless.com/index.php?option=content&task=view&id=55&Itemid=40
good luck with the problem, hope you take care of it fast.
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  #6  
Old 02-03-2007, 07:03 PM
whaaaaT whaaaaT is offline
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Default Re: MAJOR Problems - Need Help Desperately

just go to any gm dealer. I know theres cadillac dealers in brazil.
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