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OEM fluid is almost never required - you can almost find an aftermarket fluid meeting the same spec. Look on the fluid and look for "Meets GM Spec 89201184" or something simmilar. As to what you need specifically: The Enclave requires either Dexron VI or equivalent or GM 89021184 or equivalent fluid. It depends on the year it was built. Amsoil has a lookup ...


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P0602 simply means the control module is not programmed. Programming is generally required when installing a new PCM in most modern vehicles. You will need to take the vehicle and the new PCM to a shop with the specialize equipment to program the computer. There really isn't a DIY solution to this problem.


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