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TPMS problem.....

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Old Mar 31, 2010 | 09:49 PM
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Default TPMS problem.....

Took the car out of storage today. THe LF tire was showing low pressure, so I checked all the tires.
Message on DIC, "service TPMS sytem soon". So I re-programed all the sensors with the magnet and they all show correct pressure except the LR now. Re-programmed it twice, still same message. All the moitors "beeped" with the magnet..... What's the problem.....Bad sensor or bad battery? Worked perfect in December.....


TIA
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Old Mar 31, 2010 | 10:29 PM
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Sounds like a low battery but when the battery is dead they read XXX.
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Old Mar 31, 2010 | 10:52 PM
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Originally Posted by jrose7004
Sounds like a low battery but when the battery is dead they read XXX.
The other 3 are reading just fine!@!@..... Batter is fully charged now....
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Old Mar 31, 2010 | 11:42 PM
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Originally Posted by LT1vette
The other 3 are reading just fine!@!@..... Batter is fully charged now....
Not your car battery but rather the battery in the sensor.
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Old Apr 1, 2010 | 12:37 AM
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Originally Posted by jrose7004
Not your car battery but rather the battery in the sensor.

Sorry, misunderstood. BUT, it still beeped when I put the magnet on it. Does that not mean that it IS sending info to the RF module....?
If the battery was smoked, it wouldn't beep, correct?

TIA
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Old Apr 1, 2010 | 08:28 AM
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The battery doesn't suddenly die, it gets weaker over time. Sounds like you have one on the way out. The rest will be close behind.
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Old May 6, 2010 | 11:14 AM
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So do you get a new battery for the sensor or buy a new sensor... I have one acting similar to above... also, my tire gauge on the tire doesn't always match the DIC... sometimes reads low when the tire is not low. solution?
thnks
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Old May 6, 2010 | 11:30 AM
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Originally Posted by LT1vette
All the moitors "beeped" with the magnet..... What's the problem.....
Have you driven the car since retraining the sensors?

The sensor has an internal motion sensing switch that needs to be activated before sending the pressure data signal to the RF module.
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Old May 6, 2010 | 12:28 PM
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Thanks 8Vette7 - I have an 2003 so it looks like the replacement would be the easiest route (they are 7 yrs old). After I reprogram them first (with magnet, etc.,) I will give them another try before replacement.
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