Thread: First jb3 CEL??
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      10-27-2010, 01:58 PM   #13
Mike@N54Tuning.com
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Quote:
Originally Posted by woner View Post
Yeah but if I unplugged something then its would still be unplugged. and there are no errors. I doubt the movement of the usb cable could unplug anything in there anyway..
You can also trigger code during firmware updates if the ECU goes to sleep and wakes up during one, etc. Anyway if you got a code while doing a firmware update it's pretty impossible for it not to be related. Especially if its an SES which normally indicates the ECU lost connection with a sensor.

Mike
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