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Flashing 4 wheel drive module
I am trying to flash a 4 wheel drive module on this Trailblazer and keep coming up with line errors. It is a new module from the dealer. These stop the reprograming. What is causing these line errors? I am using the tech2. Login to read more. 
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| Engine | 4.2 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2002 Chevrolet Trailblazer LS 4.2L
| Engine | 4.2 L |
| Trans | 4-speed Automatic (Electronic) |
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