Go to o'rileys or autozone and have them run their OBD 2 reader and see if codes were deleted/ cleared and if they were take the vehicle back and tell them you want them to run a free diagnostic and see why the codes were cleared before the issue was actually fixed.
I bought a 20k truck and tire sensors were on. I asked about it and it was a 500.00 part they replaced on them. I couldn't answer about your situation
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