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The trans was replaced with not the same trans and I am not sure if they changed the tcm with it
Vehicle: 2000 Volkswagen golf gls 2.0

1 Answer

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by (11.7k points)
P0740 Torque convertor clutch circuit /open

The TCM may have something to do with it, but this code condition is more of a mechanical condition. One of cause that can set a P0740 is low transmission fluid, the fluid level is important to checked, as well as the transmission filter being properly seated.

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