TMPS Issue on 2004 C5
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Joined: Aug 2010
Posts: 71
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From: Meridianville Alabama
TMPS Issue on 2004 C5
When following reset procedure and placing magnet on valve stim never resets (horn does not beep) but DIC does display tire pressure corectly Before hitting with magnet Left front pressure was XXXX Right Front displayed correctly
I still have issue with Left Rear indicating xxxx but I can never get that far since L Front doesnt reset (beeps horn). I am using a strong magnet.
Is it possible the sencor is bad? They were changed 1000 miles ago when I replaced tires
I still have issue with Left Rear indicating xxxx but I can never get that far since L Front doesnt reset (beeps horn). I am using a strong magnet.
Is it possible the sencor is bad? They were changed 1000 miles ago when I replaced tires
Drifting
Joined: Dec 2012
Posts: 1,904
Likes: 151
I could never understand the logic behind the tpms.
Any moron can tell if the tires are over, or under inflated, just by looking at them.
If they look low, check the pressure with a gauge.
Put air in, or take some out.
What the hell is so difficult about that?
Every morning,, before going anywhere, I always do a walk around, and look at the tires, and every morning as soon as I start the car, the gauge does a dance from left rear to right rear, then to the front tires.
Once I drive 5 miles, the gauges don't tell me one or more tires are low.
Like I said, tpms is a stupid system, and If I could find a way to disconnect it, I would do it in a heartbeat.
Bob.
Any moron can tell if the tires are over, or under inflated, just by looking at them.
If they look low, check the pressure with a gauge.
Put air in, or take some out.
What the hell is so difficult about that?
Every morning,, before going anywhere, I always do a walk around, and look at the tires, and every morning as soon as I start the car, the gauge does a dance from left rear to right rear, then to the front tires.
Once I drive 5 miles, the gauges don't tell me one or more tires are low.
Like I said, tpms is a stupid system, and If I could find a way to disconnect it, I would do it in a heartbeat.
Bob.
Le Mans Master
Joined: Jun 2009
Posts: 6,528
Likes: 752
From: South Dakota
I have driven for decades without TPMS.
But if you have run flat tires, the sidewalls look normal even if there is zero pressure. The only way to tell is by putting a gauge on them. (or TPMS sensors) So with run flats it is much easier to check the pressures on the DIC than check with a gauge every time I drive it.
On the '01-'04 cars the TPMS can be turned off with a tech 2. That became an option that could be disabled because the Z06 did not use TPMS. The '97-'00 cars can not be disabled like that.
But if you have run flat tires, the sidewalls look normal even if there is zero pressure. The only way to tell is by putting a gauge on them. (or TPMS sensors) So with run flats it is much easier to check the pressures on the DIC than check with a gauge every time I drive it.
On the '01-'04 cars the TPMS can be turned off with a tech 2. That became an option that could be disabled because the Z06 did not use TPMS. The '97-'00 cars can not be disabled like that.
Last edited by QCVette; Nov 27, 2016 at 10:46 AM.
Team Owner
Joined: Apr 2016
Posts: 26,040
Likes: 157
I could never understand the logic behind the tpms.
Any moron can tell if the tires are over, or under inflated, just by looking at them.
If they look low, check the pressure with a gauge.
Put air in, or take some out.
What the hell is so difficult about that?
Every morning,, before going anywhere, I always do a walk around, and look at the tires, and every morning as soon as I start the car, the gauge does a dance from left rear to right rear, then to the front tires.
Once I drive 5 miles, the gauges don't tell me one or more tires are low.
Like I said, tpms is a stupid system, and If I could find a way to disconnect it, I would do it in a heartbeat.
Bob.
Any moron can tell if the tires are over, or under inflated, just by looking at them.
If they look low, check the pressure with a gauge.
Put air in, or take some out.
What the hell is so difficult about that?
Every morning,, before going anywhere, I always do a walk around, and look at the tires, and every morning as soon as I start the car, the gauge does a dance from left rear to right rear, then to the front tires.
Once I drive 5 miles, the gauges don't tell me one or more tires are low.
Like I said, tpms is a stupid system, and If I could find a way to disconnect it, I would do it in a heartbeat.
Bob.
I don't know how your DIC works but mine doesn't dance between anything unless I hit the buttons.
I don't know how your DIC works but if one of my tires is losing pressure it will let me know.
Melting Slicks
Joined: Dec 2000
Posts: 3,280
Likes: 1,097
From: Pittsburgh PA
You may try putting the magnet on the tire were it meets the rim next to the valve. When I reset the TPSM on all my cars that is were i set the tool. Works all the time. If that does not work you have other problems that are stated above.
Safety Car
Joined: Jun 2013
Posts: 4,309
Likes: 13
From: FW/d Texas
I'd bet my car you can't tell the difference between 20 psi and 40 psi on the stock run flats by looking at it.
I don't know how your DIC works but mine doesn't dance between anything unless I hit the buttons.
I don't know how your DIC works but if one of my tires is losing pressure it will let me know.
I don't know how your DIC works but mine doesn't dance between anything unless I hit the buttons.
I don't know how your DIC works but if one of my tires is losing pressure it will let me know.
Plus it's an absolute necessity with run flats since you can't tell if it's low without the tpms or an air gauge. if a run flat loses all air on the road and you didn't know it then heat would build up in it and they will start coming apart ! You could drive on a run flats for many miles and never know they didn't have any air.
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Drifting
Joined: Dec 2012
Posts: 1,904
Likes: 151
I'd bet my car you can't tell the difference between 20 psi and 40 psi on the stock run flats by looking at it.
I don't know how your DIC works but mine doesn't dance between anything unless I hit the buttons.
I don't know how your DIC works but if one of my tires is losing pressure it will let me know.
I don't know how your DIC works but mine doesn't dance between anything unless I hit the buttons.
I don't know how your DIC works but if one of my tires is losing pressure it will let me know.
I really see no need for a monitoring system when I can tell if something is up with any of my tires, just by driving the car.
If something just doesn't feel right, I can pull over and check.
As for the "gauge dancing" I mentioned earlier, when I first start the car in the morning, the gauge reads, low pressure RR,then a few seconds later, low pressure LR, then low pressure RF, then low pressure LF.
Within five miles of driving the gauge goes back to normal, and no pressure warnings, until the next day.
I drove over fifty years without tpms, and I could probably go another twenty or so years(God willing) never feeling the need for a tire monitoring system, especially one that is faulty and becoming a real pita.
Bob.
Team Owner
Joined: Apr 2016
Posts: 26,040
Likes: 157
When discussing the tpms, run flats pressure monitoring did not enter my mind, as I don't run those type of tires.
I really see no need for a monitoring system when I can tell if something is up with any of my tires, just by driving the car.
If something just doesn't feel right, I can pull over and check.
As for the "gauge dancing" I mentioned earlier, when I first start the car in the morning, the gauge reads, low pressure RR,then a few seconds later, low pressure LR, then low pressure RF, then low pressure LF.
Within five miles of driving the gauge goes back to normal, and no pressure warnings, until the next day.
I drove over fifty years without tpms, and I could probably go another twenty or so years(God willing) never feeling the need for a tire monitoring system, especially one that is faulty and becoming a real pita.
Bob.
I really see no need for a monitoring system when I can tell if something is up with any of my tires, just by driving the car.
If something just doesn't feel right, I can pull over and check.
As for the "gauge dancing" I mentioned earlier, when I first start the car in the morning, the gauge reads, low pressure RR,then a few seconds later, low pressure LR, then low pressure RF, then low pressure LF.
Within five miles of driving the gauge goes back to normal, and no pressure warnings, until the next day.
I drove over fifty years without tpms, and I could probably go another twenty or so years(God willing) never feeling the need for a tire monitoring system, especially one that is faulty and becoming a real pita.
Bob.
One of two issues with your dancing warnings....
1. Whatever you are using to check presssure is faulty and or you only check after driving the car and or you have less psi than you need.
I say this because it sounds like your system is working properly. If early mornings only, your dash is going nuts, then goes away after 5 mins, it's because the system is detecting too low pressure. Pressure rises as tire temperatures do so therefore after a short ride there is enough pressure for the system to stop warning you it/they are low.
2. It's a POS and you're better off checking it yourself cause something's broke.
And yes, if you're running something aftermarket then it's not so much of an issue as with run flats.
Drifting
Joined: Dec 2012
Posts: 1,904
Likes: 151
I have a reliable pressure gauge.
It isn't one of those chepo $2.99 specials, and every time I check the tires which is usually once a month, it always reads 30psi, which is what it should be.
You can only get a correct reading when the tires are cold, not after driving around.
My guess is the tpms is faulty
Never changed the sensors since I have owned the car(2-1/2 years now).
Could be new ones are needed, but until new tires are needed I won't bother with them.
Sure wish there were a way to just disarm the system.
Bob.
It isn't one of those chepo $2.99 specials, and every time I check the tires which is usually once a month, it always reads 30psi, which is what it should be.
You can only get a correct reading when the tires are cold, not after driving around.
My guess is the tpms is faulty
Never changed the sensors since I have owned the car(2-1/2 years now).
Could be new ones are needed, but until new tires are needed I won't bother with them.
Sure wish there were a way to just disarm the system.
Bob.
1/4 mile/AutoX
Joined: Jun 2014
Posts: 11,440
Likes: 2,184
From: Buffalo Texas
I am running non-runflats and I like the idea I can get a low pressure warning before it goes flat !! the pressure monitor system module is also for the key fobs !!! I like everything to work as it should !!
Team Owner
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From: Plantation Florida USAF(Retired) 1966-1990
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Here is video explaining how do it.
I would say if the tire sensor was working, and now it's XXXX means dead battery.
Were these OEM you installed, or aftermarket?
I would say if the tire sensor was working, and now it's XXXX means dead battery.
Were these OEM you installed, or aftermarket?
Last edited by 1bdvet; Jan 2, 2017 at 08:45 PM.