My Wife ran over a retread that spun off a tractor trailer and today the check engine light came on. Had the codes checked and P2A00 & P1815 came up. Could both the Manual Mode and Air Fuel Ratio Sensor Circuit both be in the same harness? Trying to figure out if they are related or unrelated. And tips on initial troubleshooting. Is driving with these codes while work on this unadvised?
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