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Old 09-24-2010, 09:54 AM   #1
geoff135
 
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Help! ECU locked?

Had LT headers installed, car is at tuner right now. He's called twice to say he can't get the car to keep any changes. He'll put them in, they appear to take, but than the car will start to run in limp mode. It's almost like the ECU is locked. He was able to turn of the CE, etc, just unable to make any other changes stick. I bought the car new, so I know the ECU program is still stock. Its a '10 SS M6, any one have any ideas?

Thanks

Tuner has done 5th gen camaros before without running into this issue
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Old 09-24-2010, 10:00 AM   #2
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One of the many good tuners on here will be able to help you just as soon as one of them read your post. Good luck.
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Old 09-24-2010, 10:01 AM   #3
DSteck
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After reading the file, pull the battery cable for a few minutes.

What's he using to reflash?

Also... are any codes showing up?

Last edited by DSteck; 09-24-2010 at 10:20 AM.
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Old 09-24-2010, 10:07 AM   #4
Steve@Vectormotorsports
 
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Quote:
Originally Posted by DSteck View Post
After reading the file, pull the battery cable for a few minutes.

What's he using to reflash?
X2?
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Old 09-24-2010, 11:31 AM   #5
geoff135
 
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HP tuners for the reflash, he said it's not showing any codes, just the msg engine pwr reduced
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Old 09-24-2010, 11:40 AM   #6
DSteck
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Is it happening as soon as you start the car?

E-mail the stock and modified file to steckdw at gmail dot com.
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Old 10-04-2010, 11:04 AM   #7
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Quote:
Originally Posted by geoff135 View Post
Had LT headers installed, car is at tuner right now. He's called twice to say he can't get the car to keep any changes. He'll put them in, they appear to take, but than the car will start to run in limp mode. It's almost like the ECU is locked. He was able to turn of the CE, etc, just unable to make any other changes stick. I bought the car new, so I know the ECU program is still stock. Its a '10 SS M6, any one have any ideas?

Thanks

Tuner has done 5th gen camaros before without running into this issue
uhhhh..

you should ask him how he was able to even get started and READ the PCM if it was locked..
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Old 10-04-2010, 07:35 PM   #8
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Must use HPT Beta to read/write 2010 Camaro.
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