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Two Messages on Dash

JN66

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Fellas -

Anyone here ever get these? I am taking the car in tomorrow or early next week.

After I pulled over and turned the car on and off a few times, these went away and everything was fine.
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Etchhead

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Think I've read that if the exhaust valve sticks and this is the fault.
 

JAJ

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Looks like you rolled your car onto the driver's door. Blipped the gas too hard coming out of Uptown?

Those errors are CAN bus errors and they happen when a module is "asleep" when it is supposed to be "awake". The exhaust mode fault is an instrument panel error and the driving mode fault is a vehicle dynamics error. It'll probably never happen again but if it does, go to the dealer and get them to diagnose it before it clears itself.
 

Colleton

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Were you in reverse? You'll get those messages every time if you try and set the drive or exhaust mode in reverse.
 

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JN66

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Looks like you rolled your car onto the driver's door. Blipped the gas too hard coming out of Uptown?

Those errors are CAN bus errors and they happen when a module is "asleep" when it is supposed to be "awake". The exhaust mode fault is an instrument panel error and the driving mode fault is a vehicle dynamics error. It'll probably never happen again but if it does, go to the dealer and get them to diagnose it before it clears itself.
Exactly :)
 

firestarter2

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I see them all the time if I am
1) In reverse and try to change drive modes
2) If the car has sat a long time(low batter) and I start it before the exhaust values cycle
 
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JN66

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I see them all the time if I am
1) In reverse and try to change drive modes
2) If the car has sat a long time(low batter) and I start it before the exhaust values cycle
Yeah, neither of those things happened here. Been driving for over 22000km between the two GT350s. Certainly know about reverse.

The car is a DD.

I'll get it checked out and report back for anyone in the future that runs into this.
 

Ericc B

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My guess would be that your dealer by mistake installed the 2018 firmware that includes an active exhaust protocol.
 
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JN66

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My guess would be that your dealer by mistake installed the 2018 firmware that includes an active exhaust protocol.
What do you mean? The 2017 and 18s differ in the software for the exhaust?
 

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Hack

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Every once in a while I click the modes buttons too quickly after startup and I get a message like that. I just hit ok, wait a minute or so and then try again.
 
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JN66

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