I don't think so. I had the same issue and redid my character to get the awoken grimoire card. If you decide to do so, save all your current armor and guns in the vault and buy blue engrams (weapons and armor) now so you can use them when you reach each level so you rank up faster. It took me about 3 days to rank up to level 20 and then I added my armor and weapons back on to be at 34. Good luck.
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Yeah but I don't want to grind my rep and upgrade the subclass again
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Sorry, then there is no other way. I had to upgrade the subclasses all over again too. Good luck.