If he has 200k (judging by his badge under his name) it won't be on GM's dime anyhow.Disconnect your scanguage and then take your Cruze in for the Negative battery cable replacement. You don't want the dealership blaming the scanguage instead of replacing the cable on GM's dime.
But have you ever had the negative battery cable replaced?Well as seems to be another of those electronic gremlins. Have to wonder if it has something to do with software coding as these freak warnings and glitches happen at major mileage milestones. Anyway fluctuations just went away on their own. Even the check engine light that was on while I've been waiting for a sensor on b/o for two months has gone out.