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Old 01-16-2018, 08:26 AM   #1
treborcj
 
Drives: 2017 Chevy Camaro 2SS
Join Date: Jan 2018
Location: Austin, TX
Posts: 21
So the car is in the shop.....

Didn't even have it a month. I tried to start the car in the morning and it tried to turn over and stopped. I waited a few seconds and tried again. Took about 4 seconds but it turned on. The check engine light came on. I drove it less than a mile to get my kid to school and it never shifted the whole time. The day I had time to get it to the dealer I noticed that the check engine light is still on and it is now shifting.

It had 2 codes:
U0100 - Mass or Volume Air Flow Circuit
P0700 - Trasmission Control System (MIL Request)

Still has factory warranty. Will update on the fix when I get it back.
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Old 01-16-2018, 05:34 PM   #2
stella16
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I went through this with my 2016 2SS

new sensors
new control module
new torque converter

didn't have an issue after that
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Old 01-16-2018, 07:36 PM   #3
ctrlz


 
Drives: 2017 2SS, 50th pkg, M6, MRC, NPP
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Quote:
Originally Posted by treborcj View Post
It had 2 codes:
U0100 - Mass or Volume Air Flow Circuit
P0700 - Transmission Control System (MIL Request)
U0100 is not a MAF code. It signals loss of communication with the ECM
U codes in general signify loss of communication with various modules
http://www.troublecodes.net/ucodes/
P codes are powertrain, but P0700 is a non-specific transmission code and means you need to hook up a tool that can communicate with the transmission.
On a car that is one month old I would guess this all means some connector has unseated with a resultant loss of communication.
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Old 01-19-2018, 08:48 AM   #4
treborcj
 
Drives: 2017 Chevy Camaro 2SS
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Got a call back from the dealership. They are going to replace the torque converter. Will see if that fixes the issue.
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Old 01-19-2018, 10:34 AM   #5
init4fun
 
Drives: 2017 50th Anniversary
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Another Torque Converter.... That's how mine started.

Good luck to you.
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Old 01-19-2018, 11:05 AM   #6
ctrlz


 
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Quote:
Originally Posted by treborcj View Post
Got a call back from the dealership. They are going to replace the torque converter. Will see if that fixes the issue.
This does not explain the U0100.
If I was going to "throw parts" at this problem, I would replace TCM, not torque converter. Torque converter is not electronically connected to anything. Problems in the converter can throw codes, but a "loss of communication" code is not typical, nor does it make sense.
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Old 01-21-2018, 04:44 AM   #7
Ivan0072
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Quote:
Originally Posted by ctrlz View Post
This does not explain the U0100.
If I was going to "throw parts" at this problem, I would replace TCM, not torque converter. Torque converter is not electronically connected to anything. Problems in the converter can throw codes, but a "loss of communication" code is not typical, nor does it make sense.
I completely agree with you. It would be related to electrical with this code.
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Old 01-25-2018, 07:12 PM   #8
treborcj
 
Drives: 2017 Chevy Camaro 2SS
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So they ending up doing a flush on the torque converter instead. I kept pressing about the other issue. They were finally able to duplicate the issue (slow start). Maybe electrical?? We'll see.
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Old 01-26-2018, 06:03 AM   #9
JT58

 
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Yet another A8 issue........
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Old 01-26-2018, 04:57 PM   #10
init4fun
 
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Don't worry. You'll be back for a new converter in a month or so. By that time it will have filled the trans full of crap and they'll replace the trans at the same time. Happened to me.....
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Old 02-05-2018, 11:45 AM   #11
treborcj
 
Drives: 2017 Chevy Camaro 2SS
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So the dealership got tired of troubleshooting. They said the slow start issue only happened once so it can not be troubleshot at this time. Hopefully I won't be back.
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