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GM No Commnication with new modules
Gentlemen, I am a mobile diagnostic and programming tech in my area. I have always stated that if I can not communicate with the module you can not program it. It has come to my attention that this is not always the case with some GM modules. I have seen HVAC ... Login to read more. 
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| Engine | 6.6 L |
| Trans | 5-speed Automatic (Electronic) |
Vehicle Data
2006 GMC Sierra 2500 HD SLE 6.6L
| Engine | 6.6 L |
| Trans | 5-speed Automatic (Electronic) |
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