P0128 & P2407 Can One Cause The Other?

00328

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03 Mazda 6
I have an '03 2.3 MS6. I got a CEL and read the codes.
P0128 & P2407 came up. I guess I have a thermostat that is stuck open.
Just wondering if one code can cause another code to come up. Seems pretty odd that both would pop up at basically the same time.
Just had the car onto the dealer to replace a lower control arm and check another CEL.
They found a vacuum hose off and cleared the code. This was about a month ago.
Anyone know?
 
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