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Q:

check engine light is on on 2009 Dodge Grand Caravan

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
no real problems could it do it if oil was low
(1) Answer
No, the check engine light will not come on from low oil.

You probably have some warranty still (unless your miles are high)... See a dealer near you to help resolve your issue.