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TPMS is confused

Old Nov 28, 2012 | 03:52 PM
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Default TPMS is confused

Okay I hoping for some feedback here so any tips would be great...

I have an 08 caliber SXT 1.8L with the 5 speed that has 63k miles.

I was out today looking at tires and the counter dude and i were chatting about the CHECK TPMS error code im getting on the Evic dash and how when it comes up everytime i turn the key on it'll show that and then goto the tire pressure display where it will show all 4 tires current pressure reading.. .. it thought that it was weird that it would say an error but show all the pressures and they were all the same except for a tire with a slow leak.. So he went in the store and got out a reader and he said that the TPMS has 5 codes currently being thrown ..

C0077- LOW TIRE PRESSURE
C151D-TIRE PRESSURE SENSOR LOCATION UNDETERMINED
U1114-LOST COMMUNICATION WITH LEFT FRONT TIRE PRESSURE TRIGGER MODULE
U1116-LOST COMMUNICATION WITH LEFT REAR TIRE PRESSURE TRIGGER MODULE
U1117-LOST COMMUNICATION WITH RIGHT REAR TIRE PRESSURE TRIGGER MODULE


At that time all tires read 30 psi except one that read 23 due to a slow leak....
What im confused about is how can they show pressures that if they all have lost signals and what would cause all 3 of them to loose communications ... and the stealership wants $100 bucks to just hook up to the computer when the tire place did it for free
 
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Old Nov 28, 2012 | 07:30 PM
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Sounds like maybe your sensors have failed?

You may try unhooking the battery for about an hour to reset the PCM and see if that does any good.
 
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