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