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What does the code p0740 means and what should be done on my 2004 Hummer 2?

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What does the code p0740 means and what should be done on my 2004 Hummer 2?

Vehicle: 2004 Hummer 2

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P0740 HUMMER - Torque Converter Clutch Malfunction

Read more: https://www.autocodes.com/p0740_hummer.html

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