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2018 Service Engine Light


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Service engine light came on yesterday ( 7/31/17 ) there is an update to ECM ....





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Old 08-01-2017, 05:22 AM   #1 (permalink)
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Default 2018 Service Engine Light

Service engine light came on yesterday ( 7/31/17 ) there is an update to ECM .
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Old 08-01-2017, 04:59 PM   #2 (permalink)
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Originally Posted by jsfb6pts View Post
Service engine light came on yesterday ( 7/31/17 ) there is an update to ECM .
Cool. I hope this may fix what may be ailing mine.

I have an appt. 1st week in Sept. to have my oil changed and new vehicle break-in inspection. Need to find out what's going on with my AWD. Thus far, I've only used it when we've had some downpours but every time I go through another ignition cycle, it comes back on. I thought to understand that the AWD system automatically reverts to FWD after the ignition is turned off and the vehicle is locked. Seems my 'Nox stays in AWD until I manually turn it off.
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Old 08-03-2017, 06:25 AM   #3 (permalink)
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Is your Service Engine light on ?
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Old 08-04-2017, 08:58 AM   #4 (permalink)
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Originally Posted by jsfb6pts View Post
Is your Service Engine light on ?
No. Never had any type of light come on.

Do you have any idea what this new ECM update is supposed to remedy?
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Old 08-06-2017, 06:27 AM   #5 (permalink)
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It was the reason my service engine light was on . Most likely depends when yours was built .Mine was built the 2nd day of production # 613
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Old 08-10-2017, 06:04 AM   #6 (permalink)
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I have to go back to the dealer ,to find out Exactly what was updated . My MPG went from 27.7 to 25.9
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Old 08-10-2017, 09:09 AM   #7 (permalink)
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Originally Posted by jsfb6pts View Post
i have to go back to the dealer ,to find out exactly what was updated . My mpg went from 27.7 to 25.9
Yikes!
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Old 08-12-2017, 06:32 AM   #8 (permalink)
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I went to the dealer yesterday to ask about the update . "They told me " it was related to the brake sensors and the auto start/stop. They have no clue why my mileage went down .Unknown side effect ?
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Old 08-14-2017, 10:33 AM   #9 (permalink)
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I really don't have any insight into the computer functions but maybe it just needs to re-learn everything?
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Old 08-15-2017, 08:05 AM   #10 (permalink)
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I hope thats all it is ,the start/stop function is now rough on re-starts too
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Old 08-22-2017, 06:18 AM   #11 (permalink)
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I am wondering if my mileage issue ,was related to a different brand of gas . MY mileage appears to be creeping back up and I did use a different brand at the time ( car wash )
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