2000 C5 Tire pressure sensor question
Thread Starter
Heel & Toe
Joined: Jul 2013
Posts: 23
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2000 C5 Tire pressure sensor question
I've got a 2000 C5 with one of the TPMS sensors working intermittently. When the sensor is not working, does that cause the car to limit the engine power? I'm suspecting it at least limits acceleration. I do not get a DIC message about reduced power or anything like that.
I'm just trying to decide how much priority to place on replacing the sensors. If the only thing a failure causes is not giving me a nifty tire pressure reading, then it is low priority as I am fully capable of checking my own tire pressure. On the other hand, if it's killing my horsepower, it is suddenly much more important to me.
I'm just trying to decide how much priority to place on replacing the sensors. If the only thing a failure causes is not giving me a nifty tire pressure reading, then it is low priority as I am fully capable of checking my own tire pressure. On the other hand, if it's killing my horsepower, it is suddenly much more important to me.
Drifting
Joined: Jan 2005
Posts: 1,590
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From: Forsyth Illinois
I've got a 2000 C5 with one of the TPMS sensors working intermittently. When the sensor is not working, does that cause the car to limit the engine power? I'm suspecting it at least limits acceleration. I do not get a DIC message about reduced power or anything like that.
I'm just trying to decide how much priority to place on replacing the sensors. If the only thing a failure causes is not giving me a nifty tire pressure reading, then it is low priority as I am fully capable of checking my own tire pressure. On the other hand, if it's killing my horsepower, it is suddenly much more important to me.
I'm just trying to decide how much priority to place on replacing the sensors. If the only thing a failure causes is not giving me a nifty tire pressure reading, then it is low priority as I am fully capable of checking my own tire pressure. On the other hand, if it's killing my horsepower, it is suddenly much more important to me.
It's probably a weak battery in the sensor. Replace it.
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Heel & Toe
Joined: Jul 2013
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So far, this forum has helped me fix the power door locks on the driver door module (replaced relays on circuit board for $5 instead of a $400 module! Repaired both key bobs (resoldering microchip legs--I figured they were already broke, I couldn't break them more). Have a new rear bow seal on order to fix the convertible top rubbing on the deck lid. Re-glued in the rear window... The list goes on and I can't say thank you enough!
Le Mans Master
Joined: Jun 2009
Posts: 6,528
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From: South Dakota
When they are not working the only issue is that you get a message that needs to be reset. I have run without sensors many times when I am swapping different sets of wheels.
I recently upgraded my '99 to the later RFA, TPMS, and fobs. I trained the sensors before they were installed in the wheels. When I trained them they were in my hand inside the car. Training went fine, but they recorded 0 pressure.
When I first started the car for the first time I got messages stating flat tire for several of them, and reduced power , and max speed 55 mph. When I drove away, there was no reduced power ( I lit up the tires a little... you have to with new tires... its the law...), and the speed was not limited as I took it straight up to about 75 mph.
So, I am not sure that if you actually have a reading of 0 psi (or low enough to report a flat), they computer may do something since I got the warnings, but the car behaved normally, so I don't know.
I recently upgraded my '99 to the later RFA, TPMS, and fobs. I trained the sensors before they were installed in the wheels. When I trained them they were in my hand inside the car. Training went fine, but they recorded 0 pressure.
When I first started the car for the first time I got messages stating flat tire for several of them, and reduced power , and max speed 55 mph. When I drove away, there was no reduced power ( I lit up the tires a little... you have to with new tires... its the law...), and the speed was not limited as I took it straight up to about 75 mph.
So, I am not sure that if you actually have a reading of 0 psi (or low enough to report a flat), they computer may do something since I got the warnings, but the car behaved normally, so I don't know.
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