Code p31db. Emissions system

Reply Subscribe

Thread Tools

Search this Thread

Dec 26, 2022 | 01:54 PM

Craig Calloway

Thread Starter

Heel & Toe

Joined: Jul 2022

Posts: 15

Likes: 9

Code p31db. Emissions system

I have a 2023 C8 Corvette with 456 miles and engine light on already
code p31db
I plan on taking it to the dealer
But was wondering if anyone knew what was all involved in fixing this

Dec 26, 2022 | 02:07 PM

YO-EL

Race Director

Joined: Oct 1999

Posts: 17,708

Likes: 1,218

From: Phila PA, Bonita Springs FL

Exhaust flow control stuck open...
Maybe try to adjust exhaust sound (try stealth mode) in settings to get it to close?
Just guessing....

Dec 26, 2022 | 02:21 PM

Craig Calloway

Thread Starter

Heel & Toe

Joined: Jul 2022

Posts: 15

Likes: 9

Quote:

Originally Posted by YO-EL

Exhaust flow control stuck open...
Maybe try to adjust exhaust sound (try stealth mode) in settings to get it to close?
Just guessing....

Thanks will try that

Dec 27, 2022 | 02:04 PM

Rosewoodchi3

Heel & Toe

Joined: Oct 2022

Posts: 17

Likes: 3

Quote:

Originally Posted by Craig Calloway

Thanks will try that

I have the same code. Did this work?

Dec 27, 2022 | 02:25 PM

Rosewoodchi3

Heel & Toe

Joined: Oct 2022

Posts: 17

Likes: 3

Quote:

Originally Posted by YO-EL

Exhaust flow control stuck open...Maybe try to adjust exhaust sound (try stealth mode) in settings to get it to close?Just guessing....

I did just change it to stealth mode and the check engine light immediately went off upon startup. Thank you

Dec 27, 2022 | 02:44 PM

Craig Calloway

Thread Starter

Heel & Toe

Joined: Jul 2022

Posts: 15

Likes: 9

Quote:

Originally Posted by Rosewoodchi3

I did just change it to stealth mode and the check engine light immediately went off upon startup. Thank you

Thanks I went out this morning and it was off so I changed it to stealth mode and back to my mode all sounds good thanks guys

Dec 27, 2022 | 02:53 PM

brocco

Pro

Joined: Apr 2016

Posts: 617

Likes: 292

From: New Joisey

No Consultation fee.. You guys are the BEST !

May 11, 2023 | 11:19 PM

GAR1983

Heel & Toe

Joined: Mar 2023

Posts: 22

Likes: 1

just got this at 1500 miles, put it in stealth mode, restarted the car and it went away, thank you for much for the tip, hopefully it wont come back, has anyones pd31db come back?