C7 General Discussion General C7 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

Traction control question

Thread Tools
 
Search this Thread
 
Old Dec 23, 2019 | 10:47 AM
  #21  
JMII's Avatar
JMII
Safety Car
Liked
Loved
Community Favorite
Top Answer: 1
 
Joined: Jul 2018
Posts: 4,303
Likes: 2,055
From: Margate, FL
Default

Originally Posted by Toddster993
I read in another post something about having to link the drive modes under settings to make the drive mode react properly, does that sound like a possibility? I really can’t tell the difference in any of the drive modes
You are changing drive modes via the **** in the center console correct? If you are just changing the dash configuration then nothing happens as its just a display. With the **** you should feel a pretty good difference between the modes but yes Link to Drive must be turned on or various parameters like steering and exhaust will not change with the ****.

Weather mode dials back the throttle response and ups the traction control. This will not stop the car from getting sliding (hydroplaning) but should keep it aimed in the right direction provided you don't purposely overdrive it by stabbing the throttle.
Reply
Old Dec 23, 2019 | 07:52 PM
  #22  
Grand Slam's Avatar
Grand Slam
Melting Slicks
20 Year Member
Active Streak: 30 Days
Top Answer: 5
 
Joined: Oct 2004
Posts: 2,083
Likes: 710
From: Sunnyvale CA
Default

A couple of days ago I turned onto my street on wet leaves and goosed the throttle a bit to see it it would break loose. It did! But in the time I wondered if I'd end up sideways it regained traction. This was in Sport Mode. I didn't have an opportunity to compare Weather mode. ;-)
Reply
Old Dec 23, 2019 | 08:01 PM
  #23  
Toddster993's Avatar
Toddster993
Thread Starter
Racer
Conversation Starter
All Eyes On Me
Photogenic
Top Answer: 1
 
Joined: Aug 2019
Posts: 449
Likes: 151
Default

Originally Posted by JMII
You are changing drive modes via the **** in the center console correct? If you are just changing the dash configuration then nothing happens as its just a display. With the **** you should feel a pretty good difference between the modes but yes Link to Drive must be turned on or various parameters like steering and exhaust will not change with the ****.

Weather mode dials back the throttle response and ups the traction control. This will not stop the car from getting sliding (hydroplaning) but should keep it aimed in the right direction provided you don't purposely overdrive it by stabbing the throttle.
yes, I am controlling drive modes via the dial, I can’t really tell the difference between any of the modes
Reply
Old Dec 23, 2019 | 08:16 PM
  #24  
lobsterroboto's Avatar
lobsterroboto
Drifting
Liked
Loved
Community Favorite
Top Answer: 1
 
Joined: Jun 2016
Posts: 1,325
Likes: 325
2020 Corvette of the Year Finalist (track prepared)
C7 of Year Winner (track prepared) 2019
Default

Originally Posted by Toddster993
yes, I am controlling drive modes via the dial, I can’t really tell the difference between any of the modes
Are you pressing the button in the center of the dial twice then using the dial? You have to "enter" PTM to use the 5 PTM modes (over and above the regular drive modes)

Without entering PTM, there isn't a huge noticeable difference between the modes.
Ironically "wet" in PTM will allow for more slip than while not in PTM fwiw.

Giving the throttle a poke regardless of it being full throttle or not is still some throttle in a short period of time. no traction control on the planet can read your mind. It has to know what's happening to stop it and that means to allow wheel spin.

The base "modes" weather, eco, sport and track all have effectively the same TC/AH programming (the only time they're reduced is when they're low enough to show the amber lights on the dash (if you don't see the amber TC/AH lights then you're not in PTM mode) if you're not in PTM mode then TC will operate similarly in all modes. However some things like throttle response is very modified between the modes. (you can however completely disable both TC & AH without the use of PTM)




in PTM mode you would see a "popup" that you use to select the PTM mode that you scroll with the wheel once you select the mode you simply stop moving the dial.

you would also see the AH warning on the speedometer side of the cluster. they're on but "off enough" that the government feels that the consumer be notified that they probably don't know what they're doing.

Last edited by lobsterroboto; Dec 23, 2019 at 08:32 PM.
Reply
Old Dec 23, 2019 | 09:36 PM
  #25  
Toddster993's Avatar
Toddster993
Thread Starter
Racer
Conversation Starter
All Eyes On Me
Photogenic
Top Answer: 1
 
Joined: Aug 2019
Posts: 449
Likes: 151
Default

Originally Posted by lobsterroboto
Are you pressing the button in the center of the dial twice then using the dial? You have to "enter" PTM to use the 5 PTM modes (over and above the regular drive modes)

Without entering PTM, there isn't a huge noticeable difference between the modes.
Ironically "wet" in PTM will allow for more slip than while not in PTM fwiw.

Giving the throttle a poke regardless of it being full throttle or not is still some throttle in a short period of time. no traction control on the planet can read your mind. It has to know what's happening to stop it and that means to allow wheel spin.

The base "modes" weather, eco, sport and track all have effectively the same TC/AH programming (the only time they're reduced is when they're low enough to show the amber lights on the dash (if you don't see the amber TC/AH lights then you're not in PTM mode) if you're not in PTM mode then TC will operate similarly in all modes. However some things like throttle response is very modified between the modes. (you can however completely disable both TC & AH without the use of PTM)


I

in PTM mode you would see a "popup" that you use to select the PTM mode that you scroll with the wheel once you select the mode you simply stop moving the dial.

you would also see the AH warning on the speedometer side of the cluster. they're on but "off enough" that the government feels that the consumer be notified that they probably don't know what they're doing.
First of all, I never even realized that was a button, all I have ever done was turn the dial. So what is the sequence I should follow to ensure I am maximizing the impact of the settings? Not really clear on what the button does versus just turning the dial.
Reply
Old Dec 23, 2019 | 09:51 PM
  #26  
Elk's Avatar
Elk
Le Mans Master
25 Year Member
Loved
Community Favorite
Top Answer: 5
 
Joined: Dec 2000
Posts: 5,348
Likes: 3,319
Default

It is covered in your manual quite well. It will probably easier for you to understand if you take a bit of time and read through it. It is not complicated, but takes a bit to get it.
Reply
Old Dec 23, 2019 | 09:56 PM
  #27  
Makitso's Avatar
Makitso
Racer
10 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2015
Posts: 475
Likes: 300
From: Utah
Default

The car doesn't know the rear wheels have lost traction and are spinning until the wheel speed sensors
front and rear are compared. This takes a couple of seconds for the system to reduce power and the
drivetrain inertia to subside. And yes, the car can get sideways pretty quick, especially starting from a
stop. And even more so with the reduced traction on wet roads.
The stock LT1 has a lot of grunt right off idle and needs to be expected and respected!
Reply
Old Dec 24, 2019 | 02:41 PM
  #28  
Toddster993's Avatar
Toddster993
Thread Starter
Racer
Conversation Starter
All Eyes On Me
Photogenic
Top Answer: 1
 
Joined: Aug 2019
Posts: 449
Likes: 151
Default

Originally Posted by Elk
It is covered in your manual quite well. It will probably easier for you to understand if you take a bit of time and read through it. It is not complicated, but takes a bit to get it.
I will have to run through the manual when I get home for the holidays
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-3

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-4

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-5

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-8

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-9

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
Old Dec 26, 2019 | 10:50 AM
  #29  
JMII's Avatar
JMII
Safety Car
Liked
Loved
Community Favorite
Top Answer: 1
 
Joined: Jul 2018
Posts: 4,303
Likes: 2,055
From: Margate, FL
Default

Originally Posted by Toddster993
yes, I am controlling drive modes via the dial, I can’t really tell the difference between any of the modes
Check that Link to Drive mode is on then. The difference should be noticeable, especially in steering feel and suspension stiffness.

I would not mess with PTM modes, they are for track driving not street use.

Drive modes via the ****:

PTM modes via the button:



Reply




All times are GMT -4. The time now is 05:10 AM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE