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So Saturday I got a random CEL. I was due for an oil change so I got in today and they said the light was for an ecm update. Is this some kind of standard thing with these all electronic jobs?
 

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not standard....
but its possible theyve gotten enough complaints on a certain issue causing a CEL.
The fix is a software update to change parameters to fix the coding issue that is making the cel come on.
 

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So Saturday I got a random CEL. I was due for an oil change so I got in today and they said the light was for an ecm update. Is this some kind of standard thing with these all electronic jobs?

Did you buy your car before this recall ?
https://www.equinoxforum.net/18-faqs-links-recalls/19138-2018-diesel-recall.html#post209458


And if yes did you get the recall fix done...if not that must be it...it was an ECM reprogramming related to the DPF cleaning and failure.
 

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I got it in Dec of last year so it was after. The car has actually been in the shop a couple of times prior for things plus 2 oil service. 22k already
 
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