You've indicated that the distributions were taken from your 401(k) traditional and Roth pension plans. The Codes G and H indicate that the distributions were directly rolled over into other accounts (see the FAQ below). TurboTax is correctly identifying the transactions because the funds have moved from your 401(k) pension plans to your IRAs.
What do all the codes in Box 7 of the 1099-R mean? https://ttlc.intuit.com/replies/4194736
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