GMC PO Codes question?

chris

Active member
I recently put a new transmission pan (one with a drain plug) on my 07 yukon , replaced fluid with Dexron 6, no leaks etc

a few miles later i received check engine light, PO973 and PO700
i looked up the codes and found they are related to the transmission

i re-set the codes and the light is off, but im unsure if the light will come back on,
since all was fine before installing the new pan

i assume the computer didn't like the new pan ?
 
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