Recent CEL for an ECM update? - TerrainForum.net: GMC Terrain Forum
 
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post #1 of 4 (permalink) Old 10-01-2019, 01:10 AM Thread Starter
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Recent CEL for an ECM update?

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?

2018 Terrain Diesel SLE
2012 Acadia SLE
too many formers...2014 Passat/2000 Jeep Cherokee Sport 4dr, 2.5 Rubicon lift and all them goodies/1993 Mazda 626/2000 Ford ZX2 tuners, pulleys, cai, lowered, ricer style lol
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post #2 of 4 (permalink) Old 10-01-2019, 12:38 PM
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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.

2013 Equinox LT1 3.6L V6 FWD 88,000
2010 Traverse LT1 3.6L V6 FWD 153,000
2003 Trailblazer LS 4.2L I6 RWD 181,000
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post #3 of 4 (permalink) Old 10-01-2019, 06:56 PM
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Quote:
Originally Posted by Cwilson884 View Post
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...tml#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.

2018 equinox 1.6l Diesel LT, Hecho en Mexico, julio 2017
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post #4 of 4 (permalink) Old 10-09-2019, 12:53 AM Thread Starter
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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

2018 Terrain Diesel SLE
2012 Acadia SLE
too many formers...2014 Passat/2000 Jeep Cherokee Sport 4dr, 2.5 Rubicon lift and all them goodies/1993 Mazda 626/2000 Ford ZX2 tuners, pulleys, cai, lowered, ricer style lol
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