cruise control problems

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Nov 6, 2005 | 09:13 PM

SR-71

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Pro

Joined: Sep 2004

Posts: 580

Likes: 1

From: Ironton Ohio

cruise control problems

with my cruise on and set at say 56 I hit the little switch to kick it up a few mph .....you can watch this on the DIC display....my car started skipping numbers....right now I can't set it at 59mph or 63, I'm sure there are other's missing also but I haven't checked all up and down the spectrum.......any ideas? I was thinking my BCM may be going out. Also my horn went on the blink a few minths ago and I had to pull the fuse.....I'm thinking the two issues may be related in some way....

Nov 7, 2005 | 05:41 PM

SR-71

Thread Starter

Pro

Joined: Sep 2004

Posts: 580

Likes: 1

From: Ironton Ohio

Bueler.........anyone ..anyone

Nov 8, 2005 | 04:25 AM

U TOSLOW

Instructor

Joined: Aug 2005

Posts: 242

Likes: 1

From: Tampa, FL

I'm pissin in the wind here, but is the main ground connection in the engine compartment corrosion free?

Jun 22, 2016 | 12:24 AM

grahambb

Advanced

Joined: Sep 2011

Posts: 87

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Same issue described above

Hello all,
I have an 02' z06 and have the same problem as described above. mine would skip 59 initially. The car could be set to 60, the decel button hit once DIC would drop to 58 and feel a decel, hit again and DIC would say 58 again but I could feel a decel, hit again and DIC would say 57 and feel a decel. I disengaged cruise then set to 65 and it would skip 64 as described above. Not sure if it's an actual issue but checking to see if it is a precursor to another problem or if it's just a quirk you live with.
Thanks,
BG

Jun 22, 2016 | 12:35 AM

73Corvette

Le Mans Master

Joined: Feb 2012

Posts: 6,644

Likes: 481

From: OK

You know this is an 11 year old thread...and apparently it needed reviving

Last edited by 73Corvette; Jun 22, 2016 at 04:01 PM.

Jun 22, 2016 | 12:48 AM

grantv

Le Mans Master

Joined: Sep 2014

Posts: 5,278

Likes: 540

From: Kelowna BC

Some cruise control systems have up to 5 MPH increments. Is that the case with our cars; dunno. But it is one possibility. Check the owners manual, it might say...
Edit, checked; it should do about 1 MPH increments:

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Last edited by grantv; Jun 22, 2016 at 01:00 AM.

Jun 22, 2016 | 01:05 AM

lionelhutz

Race Director

Joined: Apr 2007

Posts: 11,152

Likes: 890

From: South Western Ontario

It's just the way it works. You should be able to set it to 64 and then it skip 65 or 63. I use km and it'll do that on the metric side.

Jun 22, 2016 | 10:06 AM

Macleod52

Drifting

Joined: Jun 2013

Posts: 1,300

Likes: 373

From: Iowa

Are you looking at the HUD or the Speedometer? Because mine are off by one or two MPH. I would go by what the DIC/HUD shows, not the analog Speedo.

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Jun 22, 2016 | 10:15 AM

grahambb

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Joined: Sep 2011

Posts: 87

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The DIC and the HUD normally read 1 mph off between the two. I am looking at the HUD in my previous post

Last edited by grahambb; Jun 22, 2016 at 10:23 AM.

Jun 22, 2016 | 03:49 PM

#10

Bill Curlee

Tech Contributor

Joined: Dec 1999

Posts: 32,910

Likes: 2,402

From: Anthony TX

CI 6,7,8,9,11 Vet

St. Jude Donor '08

ANY LOGIC ISSUES in the Cruise Control Circuit will deal with the THROTTLE ACTUATOR CONTROL MODULE (TAC MODULE) That's where the CRUISE CONTROL functions live.

I seriously DOUBT that the Horn has anything to do with the anything else. There are several HORN issues and ONE that comes to mind right off the bat is the HORN BLADDER under the AIR BAG COVER. It commonly goes bad. There are replacement bladders now!