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Old Nov 19, 2014 | 08:19 AM
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Default Instrument Cluster Interpretation

I took the C7 for it's first little road trip. Well I was "having fun" with the car and putting it through it's paces. After a couple runs I noticed on the sport mode gauges it had a permanent yellow hue around the entire cluster. Going to track mode it also kept the first of the shift light bulbs yellow and lit.

What's this supposed to be telling me?

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Old Nov 19, 2014 | 08:22 PM
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12 hours and almost 150 views and not one comment...

seriously?

Maybe I should rename thread to auto vs manual transmission or why (insert color) is the coolest.
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Old Nov 19, 2014 | 08:31 PM
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Originally Posted by Nosferatu
I took the C7 for it's first little road trip. Well I was "having fun" with the car and putting it through it's paces. After a couple runs I noticed on the sport mode gauges it had a permanent yellow hue around the entire cluster. Going to track mode it also kept the first of the shift light bulbs yellow and lit.

What's this supposed to be telling me?

Yellow is the coolest color? LOL. Id be interested to know too.
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Old Nov 19, 2014 | 08:32 PM
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What rpm did the yellow band start at? How many miles on the car?
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Old Nov 19, 2014 | 08:38 PM
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now over 1500. When it did this...maybe around 1300 or so in change on a long road trip decided to open her up a little.
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Old Nov 19, 2014 | 08:42 PM
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Sounds like it thinks the engine is at a higher RPM than it actually is. You might want to try disconnecting the battery to see if that resets things.
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Old Nov 19, 2014 | 08:48 PM
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here's the photo of it when I took it...

Last edited by Nosferatu; Oct 3, 2019 at 05:00 PM.
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Old Nov 19, 2014 | 09:12 PM
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Or is that the car thinking you still want to get on it so it is staying in performance shift mode?
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Old Nov 19, 2014 | 09:15 PM
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Maybe a warning about cruise on? Traction control off? Haven't seen that. RPMs are low, 7th gear. Nothing looks amiss to me. Keep us posted.
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Old Nov 19, 2014 | 09:17 PM
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Originally Posted by S'vette
Or is that the car thinking you still want to get on it so it is staying in performance shift mode?
it's a 7 speed manual
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Old Nov 19, 2014 | 09:33 PM
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should not remain yellow, this halo should be telling you thaty the car is not warmed up enough yet for high roms , as such should go away when the car is sufficiently warm,,,you might have an issue with your DIC
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Old Nov 19, 2014 | 10:23 PM
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The ring around the tachometer, in Sport mode only I think, is normally a warning that you're approaching max revs for the temperature. You get a yellow ring when in the yellow rpm range not fully warmed up and a red ring when in the red zone. Shouldn't stay on like that. The original post confused me because I thought you meant a yellow ring around the whole cluster rather than the halo,ring around the Sport mode tachometer.
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Old Nov 20, 2014 | 12:09 AM
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Is the yellow band present when you re engage traction control? I bet it's a reminder that you have it selected off.
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Old Nov 20, 2014 | 12:16 AM
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Thanks for the info.
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Old Nov 20, 2014 | 12:23 AM
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Originally Posted by Gr8ful
Is the yellow band present when you re engage traction control? I bet it's a reminder that you have it selected off.
On the surface, that seems odd, because it would disable the warning for approaching redline. I don't track mine, so bear with my train of thought: don't most people disable the nannies on the track?

To the OP: have you cycled the car off and on? Does it still do this?
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Old Nov 20, 2014 | 03:53 AM
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Mine got stuck at red a couple times. To fix it, I revved back to the red line and it went away.
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Old Nov 20, 2014 | 04:34 AM
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Originally Posted by Nosferatu
I took the C7 for it's first little road trip. Well I was "having fun" with the car and putting it through it's paces. After a couple runs I noticed on the sport mode gauges it had a permanent yellow hue around the entire cluster. Going to track mode it also kept the first of the shift light bulbs yellow and lit.

What's this supposed to be telling me?

the ring is telling you the car is not wamed up to push rpm's . sounds like your trans . was not warm enough.
i have this ring pop up now and then with the oil and water about 180-190.....but i have noticed the trans. is still cold .
just telling you car is cold dont push rpms
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Old Nov 20, 2014 | 08:03 AM
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Originally Posted by bbrown450
should not remain yellow, this halo should be telling you thaty the car is not warmed up enough yet for high roms , as such should go away when the car is sufficiently warm,,,you might have an issue with your DIC
well this was on a 250 mile road trip and about 140 miles into it. If the car isn't warmed up by then I don't know what to tell you

Try again, the car was sufficiently warmed up.
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Old Nov 20, 2014 | 09:24 AM
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Did you turn the TC off or did the car? If the car did the shift light staying on at low rpm could be some kind of warning.

If it only did it one time chalk it up to rebooting the giant GM-made computer that is your car Mine has done several weird things over the last nine months that a restart or overnight key-off cycle fixed on its own.
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Old Nov 20, 2014 | 09:29 AM
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Same thing I was thinking . Shouldn't be doing that in the low RPM range. It's supposed to be warning you it's probably time to shift.
Originally Posted by bbrown450
should not remain yellow, this halo should be telling you thaty the car is not warmed up enough yet for high roms , as such should go away when the car is sufficiently warm,,,you might have an issue with your DIC
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